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Smile... you're working in tribology!
5/1/2014

Edward P. Salek

Headquarters Report Column, TLT
more >>
 
Boeing, Boeing...
5/1/2014

Rob Heverly

President's Report Column, TLT
more >>
 
Networking on the road
5/1/2014

Ken Pelczarski

Career Coach Column, TLT
more >>
 
Tribological Bearing Testing
4/1/2014

Jeanna Van Rensselar

Featured Articles
more >>
 
Mastering the art of networking
4/1/2014

Edward P. Salek

Headquarters Report Column, TLT
more >>
 
Tribological tea leaves
4/1/2014

Rob Heverly

President's Report Column, TLT
more >>
 
Help! I Have to Switch Biocides: Tips for Formulating Metalworking Fluids with Non-Formaldehyde Releasing Products
3/1/2014

Dr. Christine E. McInnis and Jenni Allen

Online Only Articles
more >>
 
Hot Chips
3/1/2014

Jerry Byers

Online Only Articles
more >>
 
The Applicability of Micron Ratings on Media for Metalworking Fluids Closed Loop Filters
3/1/2014

James J. Joseph

Online Only Articles
more >>
 
A Simple Method to Quantify and Study the Effects of Lubricity Additives on the Misting Characteristics of Metalworking Fluids
3/1/2014

Selim Erhan

Online Only Articles
more >>
 
Measuring Emulsifier Performance
3/1/2014

Joe Schultz and Tom Oleksiak

Online Only Articles
more >>
 
Strategy comes to life in 'Big D'
3/1/2014

Rob Heverly

President's Report Column, TLT
more >>
 
'Get busy and find out how to do it!'
3/1/2014

Edward P. Salek

Headquarters Report Column, TLT
more >>
 
Section Leader Highlight: Section Interaction & Collaboration
3/1/2014

Section News
more >>
 
Congratulations to STLE on your 70th Anniversary
3/1/2014

Jianbin Luo

Featured Articles
more >>
 
Survival and advancement
3/1/2014

Ken Pelczarski

Career Coach Column, TLT
more >>
 
How can we help you?
2/1/2014

Edward P. Salek

Headquarters Report Column, TLT
more >>
 
Staggered wind turbines
2/1/2014

Neil Canter

Tech Beat Column, TLT
more >>
 
Tribology Frontiers Conference
2/1/2014

Rob Heverly

President's Report Column, TLT
more >>
 
2014 MWF Course Agenda
2/1/2014

Archived Article, Lubrication Engineering (LE)
STLE University
more >>
 
2014 MWF Course Flyer
2/1/2014

STLE University
more >>
 
2014 Webinar Schedue & Archive
1/1/2014

STLE University
more >>
 
2014 Career Resolutions
1/1/2014

Ken Pelczarski

Career Coach Column, TLT
more >>
 
Where are we headed?
1/1/2014

Edward P. Salek

Headquarters Report Column, TLT
more >>
 
Winding through West Virginia
1/1/2014

Rob Heverly

President's Report Column, TLT
more >>
 
STLE Chicago Section's 2014 Education Program on Metalworking Fluid Formulation
1/1/2014

Ted McClure

Online Only Articles
more >>
 
Reducing Dermatitis in Machining Operations: Stick with the Basics
1/1/2014

Eugene M. White, Ph.D., M.S., CMFS

Online Only Articles
more >>
 
Estolides: A Developing & Versatile Lubricant Base Stock
1/1/2014

Terry A. Isbell and Steven C. Cermak

Online Only Articles
more >>
 
A Business Case for Biobased Crankcase Oils and Other Biobased Lubricants
1/1/2014

Ron Buckhalt

Online Only Articles
more >>
 
Leveraging the Power of Oil Analysis
1/1/2014

Jeanna Van Rensselar

Featured Articles
more >>
 
Why are we interested in biomass, biofuels and alternatives for cheap, proven petroleum products?
1/1/2014

Joseph M. Perez

Online Only Articles
more >>
 
Developments with bio-lubricants
1/1/2014

R. David Whitby

Worldwide Column, TLT
more >>
 
Using rust to capture solar energy
1/1/2014

Neil Canter

Tech Beat Column, TLT
more >>
 
What is biodiesel?
1/1/2014

Joseph M. Perez

Online Only Articles
more >>
 
'It's good to have educated customers'
12/1/2013

Edward P. Salek

Headquarters Report Column, TLT
more >>
 
Deleterious Particles in Lubricating Greases, Part III
12/1/2013

Chuck Coe

Online Only Articles
more >>
 
Section Education Workshops 2012-2014
12/1/2013

Section News
more >>
 
Six global trends
12/1/2013

Rob Heverly

President's Report Column, TLT
more >>
 
Dealing with Non-Compete Agreements
11/1/2013

Ken Pelczarski

Career Coach Column, TLT
more >>
 
Guidelines for Selecting Additives in Metalworking Fluids
11/1/2013

Dr. Neil Canter

Online Only Articles
more >>
 
Flow-Through Tools for Metalworking Require Extra Funding for Their High Pressure Coolant System
11/1/2013

James J. Joseph

Online Only Articles
more >>
 
Corrosion Issues & Test Methods
11/1/2013

Jerry P. Byers

Online Only Articles
more >>
 
The Use of Specialty Naphthenic Oils in Lubricating Greases
11/1/2013

Dr. Valentina Serra-Holm

Online Only Articles
more >>
 
Turbine Oil Degradation
11/1/2013

Greg Livingstone

Online Only Articles
Podcast
more >>
 
Synthetics vs. Conventional Lubricants 101
11/1/2013

Dan Peterson

Online Only Articles
more >>
 
Tourin' Turin
11/1/2013

Rob Heverly

President's Report Column, TLT
more >>
 
Making connections in Torino
11/1/2013

Edward P. Salek

Headquarters Report Column, TLT
more >>
 
Metathesis Power Marketability of Biobased Lubricants
10/31/2013

Jeanna Van Rensselar

Featured Articles
more >>
 
2014 Metalworking Fluid Management Certificate Course - Flyer
10/30/2013

STLE University
more >>
 
Basics of Pump Selection
10/1/2013

Richard Burkhalter

Online Only Articles
more >>
 
Biofuels, Biolubricants and The BioPreferred Program
10/1/2013

Girma Biresaw

Online Only Articles
more >>
 
Biobased Lubricants and Grease: News, Market Trends & Predictions
10/1/2013

Lou Honary

Online Only Articles
more >>
 
Monitoring of Biodiesel Quality Parameters by 1HNMR Spectroscopic Techniques
10/1/2013

A.S. Sarpal, Paulo R Silva, Valnei S. Cunha, and Romeu J. Daroda

Online Only Articles
more >>
 
Volunteerism: Alive and Well at STLE
10/1/2013

Rob Heverly

President's Report Column, TLT
more >>
 
What makes TLT a success?
10/1/2013

Edward P. Salek

Headquarters Report Column, TLT
more >>
 
Truck Fleets Reach Natural Gas Tipping Point
10/1/2013

Jeanna Van Rensselar

Featured Articles
more >>
 
It’s Prudent to Revisit the Specifications of a Metalworking Process When It Calls for an Awkwardly Complex Coolant Filtration System
10/1/2013

James J. Joseph

Online Only Articles
more >>
 
MWF 130: Metal Treating, Cleaning and Protecting Fluids
10/1/2013

Brian Hovik

Online Only Articles
more >>
 
MWF 125: MWF Health & Safety, and Introduction to GHS
10/1/2013

Fred Passman

Annual Meeting
Online Only Articles
more >>
 
The Drive for Next Generation Auto Engine Oils
9/2/2013

Jeab Van Rensselar

Featured Articles
more >>
 
A journal of peers
9/1/2013

Rob Heverly

President's Report Column, TLT
more >>
 
Calcium Sulfonate Steel Mill Greases
9/1/2013

Gareth Fish

Online Only Articles
more >>
 
Deleterious Particles in Lubricating Greases, Part II
9/1/2013

Chuck Coe

Online Only Articles
more >>
 
Grease Lubrication in Rolling Bearings
9/1/2013

Piet M. Lugt, Paul Conley & Dave M. Pallister

Online Only Articles
more >>
 
Changes in the Global Base Oil Market and Their Potential Impact on the Grease Industry
9/1/2013

Dr. Valentina Serra-Holm

Online Only Articles
more >>
 
20 Minutes with...Pat Brutto
9/1/2013

20 Minutes With... Column, TLT
more >>
 
What genius would you most like to meet?
9/1/2013

Sounding Board Column, TLT
more >>
 
Hamilton Section Yearly Program
9/1/2013

Section News
more >>
 
Hamilton Section 2013 Education Day
9/1/2013

Section News
more >>
 
Should you consider a counteroffer?
9/1/2013

Ken Pelczarski

Career Coach Column, TLT
more >>
 
Technical Newsletters Target Your Needs
9/1/2013

Edward P. Salek

Headquarters Report Column, TLT
more >>
 
Development of an Axle Efficiency Methodology for Evaluating Fuel Economy Potential of Synthetic Lubricants
8/1/2013

Vasu Bala

Online Only Articles
more >>
 
Phosphate Ester Hydraulic Fluids: Meeting Market Needs by Improvements to New and Used Fluid Quality
8/1/2013

W. David Phillips

Online Only Articles
more >>
 
A Technical Bibliography on Phosphate Ester Fire-Resistant Hydraulic Fluids and Lubricants
8/1/2013

W.D. Phillips and J.W.G. Staniewski

Online Only Articles
more >>
 
Turbine Oil Selection
8/1/2013

Greg Livingstone

Online Only Articles
Podcast
more >>
 
Maintenance of Fire-Resistant Fluid (Phosphate Ester) EHC Turbine Governing Control System in a Nuclear Power Plant
8/1/2013

Khalid Malik

Online Only Articles
more >>
 
Reducing the Varnish Tendency of a Group II Base Oil by Increasing the Solvency
8/1/2013

Gene Wagenseller and Govind Khemchandani

Online Only Articles
more >>
 
Choosing a Safe Lubricant When Working with Oxygen or Reactive Gases
8/1/2013

Tom Blunt

Online Only Articles
more >>
 
New Group V Synthetic OSPs For High Performance Grease Application
8/1/2013

Govind Khemchandani

Online Only Articles
more >>
 
Bringing Used Oil Back to Life
8/1/2013

Josh Fernatt

Featured Articles
more >>
 
Global Challenges: 2013 to 2016
8/1/2013

Edward P. Salek

Headquarters Report Column, TLT
more >>
 
What is the biggest issue facing the MWF industry today?
8/1/2013

Sounding Board Column, TLT
more >>
 
Thoughts on Interpreting Results for the New ASTM Standard for Varnish Potential
8/1/2013

Greg Livingstone

Online Only Articles
more >>
 
Fire-Resistant Fluids: Will they ever be good enough?
7/1/2013

Jean Van Rensselar

Featured Articles
more >>
 
Valuable idea from 2013 AM
7/1/2013

Sounding Board Column, TLT
more >>
 
Amines 101 for Metalworking Fluids
7/1/2013

Patrick Brutto

Online Only Articles
more >>
 
6C - Metalworking Fluid Management, Part III
7/1/2013

M. Krishna

Online Only Articles
more >>
 
Tool Manufacturing Techniques Impact Coolant Trials
7/1/2013

Gary Rodak

Online Only Articles
more >>
 
Molecular Dynamics Simulations of Frictional Behavior in FCC Copper and HCP Magnesium
7/1/2013

Kyle Roget

Award Winning Research
more >>
 
Managing Your Career Portfolio
7/1/2013

Ken Pelczarski

Career Coach Column, TLT
more >>
 
Bad assumptions vs. good investments
7/1/2013

Edward P. Salek

Headquarters Report Column, TLT
more >>
 
My STLE Story
7/1/2013

Rob Heverly

President's Report Column, TLT
more >>
 
Fire-Resistant Fluids
6/26/2013

Jean Van Rensselar

Featured Articles

New regulations and increased performance requirements are changing the way researchers develop modern fire-resistant fluids.
more >>
 
Confusion Over Terminology, Developing Consensus
6/26/2013

Jean Van Rensselar

Featured Articles
more >>
 
Steel Mills and HFCS
6/26/2013

Jean Van Rensselar

Featured Articles
more >>
 
Factory Mutual Accreditation
6/26/2013

Jean Van Rensselar

Featured Articles
more >>
 
What a Hydraulic Fluid Fire Looks Like
6/26/2013

Jean Van Rensselar

Featured Articles
more >>
 
What Causes Hydraulic Fluid to Escape?
6/26/2013

Jean Van Rensselar

Featured Articles
more >>
 
The Power of Aircraft Hydraulic Redundancy Systems
6/1/2013

Jean Van Rensselar

Featured Articles
more >>
 
The Basic Aircraft Hydraulic System
6/1/2013

Jean Van Rensselar

Featured Articles

Sidebar 1 from The Power of Aircraft Hydraulic Redundancy Systems cover story from the June 2013 TLT
more >>
 
Three Ways Phosphate Esters Degrade*
6/1/2013

Jean Van Rensselar

Featured Articles

Sidebar 2 from The Power of Aircraft Hydraulic Redundancy Systems cover story from the June 2013 TLT
more >>
 
Controlling the Acid in Phosphate Ester-Based Hydraulic Fluid*
6/1/2013

Jean Van Rensselar

Featured Articles

Sidebar 3 from The Power of Aircraft Hydraulic Redundancy Systems cover story from the June 2013 TLT
more >>
 
Let us be your inspiration
6/1/2013

Edward P. Salek

Headquarters Report Column, TLT
more >>
 
The Behavior of Indentation Marks in Rolling-Sliding Elastohydroynamically Lubriucated Contacts
5/15/2013

Guillermo E. Morales and Antonio Gabelli

Technical Paper
more >>
 
Rolling-Element Fatigue Testing and Data Analysis - A Tutorial
5/15/2013

Brian Vlcek and Erwin Zaretsky

Technical Paper
more >>
 
A Combined Molecular Dynamics and Finite Element Analysis of Contact and Adhesion of a Rough Sphere and a Flat Surface
5/15/2013

Hassan Eid, George Adams, N.E. McGruer, A. Fortini, S. Buldyrev, D. Srolovitz

Technical Paper
more >>
 
Wear-Resistant PTFE/SiO2 Nanoparticle Composite Films
5/15/2013

Samuel Beckford, Y.A. Wang, Min Zou

Technical Paper
more >>
 
The Influence of Speed, Grease Type, and Temperature on Radial Contaminant Particle Migration in a Double Restriction Seal
5/15/2013

Technical Paper
more >>
 
Comparative Experimental and Numerical Analysis of Flow and Pressure Fields Inside Deep and Shallow Pockets for a Hydrostatic Bearing
5/15/2013

Frank Horvat

Technical Paper
more >>
 
A year of accomplishments
5/1/2013

Jerry P. Byers

President's Report Column, TLT
more >>
 
Connect. Learn. Achieve.
5/1/2013

Jerry P. Byers

President's Report Column, TLT
more >>
 
Associations are a win-win proposition
5/1/2013

Edward P. Salek

Headquarters Report Column, TLT
more >>
 
Assessing Your Employer
5/1/2013

Ken Pelczarski

Career Coach Column, TLT
more >>
 
A little dab'll do ya
5/1/2013

Robert Gresham

Tribology & Lubricants Fundamentals Column, TLT
more >>
 
Grease Incompatibility
5/1/2013

Sounding Board Column, TLT
more >>
 
2013 STLE Annual Meeting Giveaway Details
4/2/2013

Annual Meeting
more >>
 
New rules for membership value
4/1/2013

Edward P. Salek

Headquarters Report Column, TLT
more >>
 
Biodiesels & Biolubricants
4/1/2013

Girma Biresaw

Online Only Articles
more >>
 
New Developments in Biobased Metalworking and Other Lubricants
4/1/2013

Lou Honary

Online Only Articles
more >>
 
New Test Method for Determining Biodegradability of Lubricants
4/1/2013

Ben Müeller-Zermini

Online Only Articles
more >>
 
Analytical Strategies to Determine the Biodiesel Potential of Algae
4/1/2013

A.S. Sarpal and Paulo R. Silva

Online Only Articles
more >>
 
Sustainability and Closing the Loop
4/1/2013

Satish V. Kailas

Online Only Articles
more >>
 
The Importance of Controlling the pH of Your Water-Diluted Metalworking Fluid
4/1/2013

John M. Burke

Online Only Articles
more >>
 
Elements of a Successful Fluid Analysis Program
3/28/2013

Patrick J. Kilbane

Featured Articles
more >>
 
Job Searching When You're Over 50
3/1/2013

Ken Pelczarski

Career Coach Column, TLT
more >>
 
Tribology - The Great Enabler
3/1/2013

Edward P. Salek

Headquarters Report Column, TLT
more >>
 
The Five Levels of Fleet Maintenance
3/1/2013

Josh Fernatt

Featured Articles
more >>
 
Tradition and Innovation
3/1/2013

Jerry P. Byers

President's Report Column, TLT
more >>
 
Young Tribologist Housing Award Application
3/1/2013

Featured Articles
more >>
 
Education Workshop Tips & Best Practices
3/1/2013

Section News
more >>
 
STLE Philadelphia Section Scholarship Flyer
3/1/2013

Section News
more >>
 
20 Minutes With...Jay Bickett
3/1/2013

Karl M. Phipps

20 Minutes With... Column, TLT
more >>
 
The Business Case For Attending STLE's Annual Meeting
3/1/2013

Robert M. Gresham

Commentary
more >>
 
Hot Topics in MWFs
3/1/2013

Edited by Gregory Foltz

Featured Articles
more >>
 
Portland Section - Peak Performance Show Details 020213
2/1/2013

Section News
more >>
 
MWF Course Agenda
2/1/2013

STLE University
more >>
 
Trends in Industrial Gear Oils
2/1/2013

Jean Van Rensselar

Featured Articles
more >>
 
Traits of Good Gear Oil
2/1/2013

Jean Van Rensselar

Featured Articles

Sidebar 1 from article Trends in Industrial Gear Oils Feb. 2013 TLT
more >>
 
Four Types of Gear Oils
2/1/2013

Jean Van Rensselar

Featured Articles

Sidebar 2 from article Trends in Industrial Gear Oils Feb. 2013 TLT
more >>
 
Selecting the Correct Gear Oil
2/1/2013

Jean Van Rensselar

Featured Articles

Sidebar 3 from article Trends in Industrial Gear Oils Feb. 2013 TLT
more >>
 
Additional OEM Gear Oil Specifications
2/1/2013

Featured Articles

Sidebar 4 from article Trends in Industrial Gear Oils Feb. 2013 TLT
more >>
 
API/DIN Classification of Gear Oils
2/1/2013

Featured Articles

Sidebar 5 from article Trends in Industrial Gear Oils
more >>
 
Technical Education Builds Our Brand and Your Skills
2/1/2013

Edward P. Salek

Headquarters Report Column, TLT
more >>
 
Shared Vision
2/1/2013

Jerry P. Byers

President's Report Column, TLT
more >>
 
Central Illinois 2013 Scholarship Information
2/1/2013

Section News
more >>
 
2013 Outstanding Section Award
1/1/2013

Section News
more >>
 
Auburn's Historic Program
1/1/2013

Jerry P. Byers

President's Report Column, TLT
more >>
 
Metalworking Fluids and Dermatitis
1/1/2013

Eugene M. White, Ph.D., M.S., CMFS

Online Only Articles
more >>
 
Case Study - Read Your Data: Central Coolant Systems
1/1/2013

Gary Rodak

Online Only Articles
more >>
 
6C - Metalworking Fluid Management, Part II
1/1/2013

M. Krishna

Online Only Articles
more >>
 
Archived Webinar List (by Topic)
1/1/2013

STLE University
more >>
 
Here's looking at you...
1/1/2013

Edward P. Salek

Headquarters Report Column, TLT

Ten not-so-random facts about STLE members are helping drive our strategic plan.
more >>
 
Local Section Meeting Topics 2013
1/1/2013

Section News
more >>
 
PC-11 and GF-6: New engines drive change in oil specs
1/1/2013

Jean Van Rensselar

Featured Articles
more >>
 
The Shift Toward Lower Viscosity Oils
1/1/2013

Jean Van Rensselar

Tip or Best Practice

Sidebar 1 from PC-11 and GF-6: New engines drive change in oil specs featured article from January 2013 TLT
more >>
 
Biodiesel and Engine Oil Compatibility
1/1/2013

Jean Van Rensselar

Tip or Best Practice

Sidebar 2 from PC-11 and GF-6: New engines drive change in oil specs featured article from January 2013 TLT
more >>
 
Developing a New Specification
1/1/2013

Jean Van Rensselar

Tip or Best Practice

Sidebar 3 from PC-11 and GF-6: New engines drive change in oil specs featured article from January 2013 TLT
more >>
 
GF Development Timeline
1/1/2013

Jean Van Rensselar

Tip or Best Practice

Sidebar 4 from PC-11 and GF-6: New engines drive change in oil specs featured article from January 2013 TLT
more >>
 
Advancing Through Social Media
1/1/2013

Ken Pelczarski

Career Coach Column, TLT
more >>
 
Corporate Member Info Session Slides
1/1/2013

Industry Related News
Sales & Marketing
more >>
 
Section Education Workshops 2012
12/31/2012

Section News
more >>
 
A Winning IJTC
12/1/2012

Jerry P. Byers

President's Report Column, TLT
more >>
 
2013 AM Education Course Description: Advanced Lubrication 301
12/1/2012

Annual Meeting
STLE University
more >>
 
2013 AM Education Course Description: Basic Lubrication 101 - Lubrication Fundamentals
12/1/2012

Annual Meeting
STLE University
more >>
 
2013 AM Education Course Description: Basic Lubrication 102 - Basic Applications
12/1/2012

Annual Meeting
STLE University
more >>
 
2013 AM Education Course Description: Automotive Lubrication 201 - Gasoline
12/1/2012

Annual Meeting
STLE University
more >>
 
2013 AM Education Course Description: Grease and it's Lubrication in Rolling Element Bearings (co-hosted with ABMA)
12/1/2012

Annual Meeting
STLE University
more >>
 
2013 AM Education Course Description: Hydraulics 101 - Basic Fluids & Applications
12/1/2012

Annual Meeting
STLE University
more >>
 
2013 AM Education Course Description: MWF 250 - Troubleshooting
12/1/2012

Annual Meeting
STLE University
more >>
 
2013 AM Education Course Description: MWF 105 - Metal Forming Fluids
12/1/2012

Annual Meeting
STLE University
more >>
 
2013 AM Education Course Description: Biofuels & Lubes
12/1/2012

Annual Meeting
STLE University
more >>
 
2013 AM Education Course Description: Condition Monitoring 301 - CM in the 21st Century
12/1/2012

Annual Meeting
STLE University
more >>
 
2013 AM Education Course Description: Synthetic Lubricants 203
12/1/2012

Annual Meeting
STLE University
more >>
 
2013 AM Education Course Description: An Introduction to Corrosion (co-hosted with ASM Int'l)
12/1/2012

Annual Meeting
STLE University
more >>
 
STLE by the numbers
12/1/2012

Edward P. Salek

Headquarters Report Column, TLT
more >>
 
Synthetic Esters in High Temperature Grease
12/1/2012

Tyler Housel, Inolex

Online Only Articles
more >>
 
Deleterious Particles in Lubricating Greases, Part I
12/1/2012

Chuck Coe

Online Only Articles
more >>
 
A Review of Grease Compatibility
12/1/2012

Nicolas Samman

Online Only Articles
more >>
 
A Question of Yield
12/1/2012

R.L. Burkhalter

Online Only Articles
more >>
 
Consistently Consistent Grease
12/1/2012

Robert Gresham

Tribology & Lubricants Fundamentals Column, TLT
more >>
 
Grease Additives
12/1/2012

Neil M. Canter

Featured Articles
more >>
 
Microbial Contamination Control
11/1/2012

Dr. Fred Passman

Online Only Articles
STLE University

Damage caused by microbes (biodeterioration) in one of several common MWF failure mechanisms; and it is at or near the top of the list.
more >>
 
The Trouble with Tramp Oil
11/1/2012

John M. Burke

Online Only Articles

Tramp oils are any unwanted oil that enters into a metalworking fluid during the manufacturing process. These oils can enter from a variety of sources such as oil on parts from previous operations, or leaks from hydraulic, way, spindle and gear oils. So my coolant or cutting already has oil in it, so won’t a little extra oils help? The simple answer to this question is …not likely.
more >>
 
Where Membership Starts
11/1/2012

Jerry P. Byers

President's Report Column, TLT
more >>
 
Negotiating the Job Offer
11/1/2012

Ken Pelczarski

Career Coach Column, TLT
more >>
 
An Alloy Solution - NITINOL 60
10/31/2012

Jean Van Rensselar

Tip or Best Practice
more >>
 
The Kroll Process
10/31/2012

Jean Van Rensselar

Tip or Best Practice
more >>
 
The Oxygen Diffusion Process
10/31/2012

Jean Van Rensselar

Tip or Best Practice
more >>
 
Lubricating Titanium Alloys
10/31/2012

Jean Van Rensselar

Featured Articles
more >>
 
Peak Performance Oct 6 2012
10/4/2012

Section News
more >>
 
Certification Webinar Slides
10/3/2012

STLE University
more >>
 
Basestock Evolution
10/1/2012

Jean Van Rensselar

Featured Articles
more >>
 
API Basestock Classification
10/1/2012

Jean Van Rensselar

Tip or Best Practice
more >>
 
Shifting Basestock Demand
10/1/2012

Jean Van Rensselar

Tip or Best Practice
more >>
 
Chevron's ISO Processes
10/1/2012

Jean Van Rensselar

Tip or Best Practice
more >>
 
Gas-to-Liquid Basestock
10/1/2012

Jean Van Rensselar

Tip or Best Practice
more >>
 
Sources of Microbial Contamination in Metalworking Fluids
10/1/2012

Dr. Alan C. Eachus

Online Only Articles

There are two main sources of microbial contamination - water used to dilute the fluid and the addition of extraneous material to coolant systems. We'll discuss how you can avoid microbial contamination via these two main routes.
more >>
 
6C - Metalworking Fluid Management, Part I
10/1/2012

M. Krishna

Online Only Articles
more >>
 
Fluid Condition Management
10/1/2012

Neil M. Canter

Online Only Articles
STLE University

An effective metalworking fluid management program starts with the goal of determining the current condition of a specific system in order to extend its useful operating life, evaluate trends in the system’s conditions, identify areas for improvement and determine the most effective way to treat the system.
more >>
 
2013 Metalworking Fluid Management Certificate Course - Agenda
10/1/2012

STLE University
more >>
 
Reducing the "Built-Up Edge" (BUE) on Machining Tools via Filtration
10/1/2012

James J. Joseph

Online Only Articles

BUE is the phenomenon where the actual cutting edge of a tool is violated as it is working and results in cutting without its proper cutting edge and angle. Dirty MWF (coolants) promote this event.
more >>
 
Measuring Tool Wear: Comparing Tool, Coolant and MQL Setups
10/1/2012

Gary Rodak

Online Only Articles

A quick and accurate method for comparing, tool, coolants and MQL setups.
more >>
 
MGAM Campaign: New Members & Sponsors
10/1/2012

Industry Related News
more >>
 
Water, Water Everywhere, Nor Any Drop...For My Coolant
10/1/2012

John M. Burke

Online Only Articles

Selecting the proper water quality for your metalworking fluid can be a challenge.
more >>
 
Oklahoma 2012-2013 Schedule
10/1/2012

Section News
more >>
 
Oh, baby! Don't let a colleague walk away
10/1/2012

Edward P. Salek

Headquarters Report Column, TLT
more >>
 
Making Science Fun
10/1/2012

Jerry P. Byers

President's Report Column, TLT
more >>
 
Think You Know the IJTC?
9/1/2012

Jerry P. Byers

President's Report Column, TLT
more >>
 
Acing the Interview
9/1/2012

Ken Pelczarski

Career Coach Column, TLT
more >>
 
Pall Study Field Tests3
9/1/2012

Jean Van Rensselar

Tip or Best Practice
more >>
 
Cutting-Edge Electrostatic Testing
9/1/2012

Jean Van Rensselar

Tip or Best Practice
more >>
 
Static Discharge
9/1/2012

Jean Van Rensselar

Featured Articles

It’s an old problem with a new highly effective solution.
more >>
 
Hamilton Section - September Newsletter
9/1/2012

Section News
more >>
 
Oklahoma Section Meeting Notice - September 2012
9/1/2012

Section News
more >>
 
Detroit Section Officer List
9/1/2012

Section News
more >>
 
Detroit Section Corporate Members
9/1/2012

Section News
more >>
 
Membership's Enduring Value
9/1/2012

Edward P. Salek

Headquarters Report Column, TLT
more >>
 
STLE Presidential Awards Program Form
8/2/2012

Presidential Council

Scholarship Research

STLE has available two academic awards through its Presidential Awards Program, the E. Richard Booser Scholarship for undergraduate students and the E. Elmer Klaus Fellowship for graduate students. These awards are administered by the STLE Presidential Council, and are meant to encourage students to pursue an advanced degree or a career in tribology or lubrication engineering by subsidizing a research project related to the field
Get more information....
more >>
 
The Growth of Biobased Metalworking Fluids
8/1/2012

Jean Van Rensselar

Featured Articles

They’re playing an expanded role in protecting the environment and offer superior performance in some applications.
more >>
 
Oklahoma Section Calendar of Events - August 2012
8/1/2012

Section News
more >>
 
Best Practices for Maintaining Coolant Quality
8/1/2012

Jean Van Rensselar

Tip or Best Practice
more >>
 
Latin America Section Meeting Agenda
8/1/2012

Section News
more >>
 
Hamilton Section Yearly Program
8/1/2012

Section News
more >>
 
2013 Annual Meeting Call for Papers - Grease
8/1/2012

Annual Meeting
more >>
 
Oklahoma Section - Chair's Message and Welcome
8/1/2012

Section News
more >>
 
The Growth of Biobased MWFs
8/1/2012

Jean Van Rensselar

Featured Articles
more >>
 
Congratulations, Ed!
8/1/2012

Jerry P. Byers

President's Report Column, TLT
more >>
 
Turbines: What goes around, comes around
8/1/2012

Tribology & Lubricants Fundamentals Column, TLT
more >>
 
Basic Handbook of Lubrication - Interview with the Editor
7/24/2012

Evan Zabawski

Podcast
more >>
 
Benefits of Balanced Grease Formulations
7/1/2012

Paul Grives

Podcast

In this audio interview, Paul Grives, Global Industrial Marketing Advisor with ExxonMobil Lubricants & Specialties, discusses important considerations regarding grease formulations, and 3 keys you need to know when choosing a grease and grease supplier.
more >>
 
Biological Deterioration of Water-Miscible Metalworking Fluids
7/1/2012

Dr. Frederick Passman

Online Only Articles
more >>
 
Water-Diluted Metalworking Fluids and the Interaction with Fresh Metal Chips and Parts
7/1/2012

John M. Burke

Online Only Articles
more >>
 
Design to Minimize Microbial Multiplication
7/1/2012

Dr. Alan C. Eachus

Online Only Articles
more >>
 
Portland Section- Peak Performance Show July 2012
7/1/2012

Section News
more >>
 
Metalworking Fluid Chemistry & Tankside Additives
7/1/2012

Neil Canter

Online Only Articles
more >>
 
Metalworking Fluid Operations: Why the Metalworking Fluid is Important
7/1/2012

John C. Steigerwald

Online Only Articles
more >>
 
Metal Removal Fluid Management
7/1/2012

Alan Eckard

Online Only Articles
more >>
 
Hamilton Section 2012 Education Day
7/1/2012

Section News
more >>
 
The Road to STLE President
7/1/2012

Jerry P. Byers

President's Report Column, TLT
more >>
 
STLE's Online Education
6/6/2012

Industry Related News
more >>
 
Handbook of Lubrication and Tribology-Volume II: Theory and Design, Second Edition
6/1/2012

Robert M. Gresham

Book Review/Excerpt
more >>
 
How to Join LinkedIn
6/1/2012

Industry Related News
more >>
 
Five simple rules
6/1/2012

Sales & Marketing
more >>
 
Bruker Nano Webinar Slides 53012
5/30/2012

Industry Related News
more >>
 
Investigation of Grease Flow in a Rectangular Channel Including Wall Slip Effects Using Microparticle Image Velocimetry
5/1/2012

LARS G.WESTERBERG, T.S. LUNDSTROM, E. HOGLUND, & P. M. LUGT

Technical Paper
more >>
 
Nonlinear Analysis of Squeeze Film Damper with Entrained Air in Rotordynamic Systems
5/1/2012

AMIR A. YOUNAN, JIANMING CAO, TIMOTHYW. DIMOND, and PAUL E. ALLAIRE

Technical Paper
more >>
 
Performance and Behavior of Seals for Pneumatic Spool Valves
5/1/2012

G. BELFORTE, M. CONTE, A. MANUELLO, and L. MAZZA

Technical Paper
more >>
 
Plating Out Oil Film Thickness on Roll and Workpiece During Cold Rolling with O/W Emulsion
5/1/2012

AKIRA AZUSHIMA, SATOSHI INAGAKI, and HIROKI OHTA

Technical Paper
more >>
 
An Investigation of Lubricant Film Thickness in Sliding Compliant Contacts
5/1/2012

CONNOR MYANT, MARK FOWELL, HUGH A. SPIKES, and JASON R. STOKES

Technical Paper
more >>
 
Characterization of Nanoscale Surface Films in Solid Lubricants
5/1/2012

Harmandeep Khare & David Burris

Technical Paper
more >>
 
STLE 2012 Annual Meeting - Webinar Slides
4/12/2012

Industry Related News
more >>
 
STLE 2012 Annual Meeting - Webinar Slides with Notes
4/12/2012

STLE University
more >>
 
Best Practices for Local Sections
4/1/2012

Kara Sniegowski

Section News
more >>
 
Analytical Models to Study the Role of Molecular Shape on Liquid Slip at Nano Scales
4/1/2012

Vadakkepatt, A. & Martini, A.

Technical Paper
more >>
 
2012 Annual Meeting: Highlights Form for Monday, May 7
4/1/2012

Industry Related News
more >>
 
2012 Annual Meeting: Highlights Form for Tuesday, May 8
4/1/2012

Industry Related News
more >>
 
2012 Annual Meeting: Highlights Form for Wednesday, May 9
4/1/2012

Industry Related News
more >>
 
2012 Annual Meeting: Highlights Form for Thursday, May 10
4/1/2012

Industry Related News
more >>
 
2012 AM Education Course Description: Advanced Lubrication 301
4/1/2012

Industry Related News
more >>
 
2012 AM Education Course Description: Basic Lubrication 103
4/1/2012

Industry Related News
more >>
 
2012 AM Education Course Description: Condition Monitoring 301
4/1/2012

Industry Related News
more >>
 
2012 AM Education Course Description: Automotive Lubrication - Diesel
4/1/2012

Industry Related News
more >>
 
2012 AM Education Course Description: Metalworking Fluids 115
4/1/2012

Industry Related News
more >>
 
2012 AM Education Course Description: Metalworking Fluids 125
4/1/2012

Industry Related News
more >>
 
2012 AM Education Course Description: Principles of Metallurgy
4/1/2012

Industry Related News
more >>
 
2012 AM Education Course Description: Synthetic Fluids 203
4/1/2012

Industry Related News
more >>
 
2012 AM Education Course Description: Synthetic Fluids 204
4/1/2012

Industry Related News
more >>
 
Book Review: Handbook of Lubrication and Tribology, Vol. 2: Theory and Design
4/1/2012

Dr. Robert M. Gresham

Featured Articles
more >>
 
The Business Case For Attending STLE's Annual Meeting
4/1/2012

Dr. Robert M. Gresham

Tribology & Lubricants Fundamentals Column, TLT
more >>
 
Tribology's Big Show
3/1/2012

Michael T. Dugger

President's Report Column, TLT
more >>
 
Weekly Technical Feature - MWFs
3/1/2012

Featured Articles
more >>
 
Sounding Board: Books
3/1/2012

Sounding Board Column, TLT
more >>
 
TLT Idea Submission Form
3/1/2012

From the Editor Column, TLT
more >>
 
The Regulatory Future of Antimicrobial Pesticides
3/1/2012

Dr. Neil Canter

Featured Articles
more >>
 
STLE's Certified Metalworking Fluid Specialist
3/1/2012

Dr. Robert M. Gresham

Tribology & Lubricants Fundamentals Column, TLT
more >>
 
Metalworking Fluid Microbes—What We Need to Know to Successfully Understand Cause-and-Effect Relationships
3/1/2012

Passman, Frederick J.

Featured Articles
more >>
 
MGAM Recruitment Tips
3/1/2012

Industry Related News
more >>
 
Evaluation of Thermal and Rheological Properties of Lubricating Greases Modified with Recycled LDPE
3/1/2012

J.E. Martin-Alfonson, C. Valencia, M.C. Sanchez and J.M. Franco

Technical Paper
more >>
 
Dynamic Adhesive Contact with Molecularly Thin Lubricant at the Head-Disk Interface of Hard Disk Drives
2/3/2012

Vakis, Antonis I., Polycarpou, Andreas A.

Technical Paper
more >>
 
Inertia Gap Between MD Simulations and AFM Experiments in Study of Atomic Friction
2/1/2012

Dong, Y. Li, Q., Carpick, R.W., Martini, A.

Technical Paper
more >>
 
Oklahoma Section News - January 2012
2/1/2012

Section News
more >>
 
Oklahoma Section Meeting Notice - Feb 2012
2/1/2012

Section News
more >>
 
Oklahoma Section Education Seminar Brochure
2/1/2012

Section News
more >>
 
Oklahoma Section Education Seminar Enrollment Form
2/1/2012

Section News
more >>
 
Introduction to Hydraulics Flyer (AEM/STLE Education Course)
2/1/2012

Fellowship Research
Industry Related News
more >>
 
Membership Webinar Slides: Publications
2/1/2012

STLE University
more >>
 
Portland Section - 2012 Lubricant Training Course Overview
1/1/2012

Section News
more >>
 
Portland Section Calendar 2012
1/1/2012

Section News
more >>
 
Valvetrain Friction Reduction through Thin Film Coatings and Polishing
1/1/2012

A.K. Gangopadhyay, D.G. McWatt, R.J. Zdrodowski, S.J. Simko, S. Matera, K. Sheffer, and R.S. Furby

Technical Paper
more >>
 
Feb-March 2012 Webinar Ad
1/1/2012

STLE University
more >>
 
On Tailoring the Nanocrystalline Structure of Zn0 to Achieve Low Friction
1/1/2012

Mohseni, H., Mensah, B.A., Gupta, N., Srinivasan, S.G., Scharf, T.W.

Technical Paper
more >>
 
Oklahoma 2012 Meeting Schedule
12/20/2011

Section News
more >>
 
Oklahoma Section Meeting Notice
12/20/2011

Section News
more >>
 
January 2012 Webinar Ad
12/6/2011

STLE University
more >>
 
2012 STLE Annual Meeting Education Courses
11/28/2011

Industry Related News
more >>
 
STLE Oklahoma Section Meeting Notice
11/16/2011

Industry Related News
more >>
 
NES Bearings Webinar Slides
11/8/2011

Industry Related News
more >>
 
Compressibility of Liquids Webinar Slides
11/1/2011

STLE University
more >>
 
Nanoscale Friction and Adhesion Behavior for Few-Layer Graphene
11/1/2011

Liu, X.

Technical Paper
more >>
 
CORRGUARD EXT Amino Alcohol: Flexibility and Added Value for MWF Formulators
11/1/2011

Justin Conklin, ANGUS Chemical Company

Commercial Marketing Special Issues, TLT
more >>
 
Advanced Emulsifier Technology for Renewable Resource-Based MWFs
11/1/2011

Jennifer Ineman, The Lubrizol Corporation

Technical Paper
more >>
 
Environmentally Friendly EP Additives for Metalworking Applications
11/1/2011

Steven Anderson, Afton Chemical Corporation

Technical Paper
more >>
 
2011 IJTC Student Poster Participants
10/26/2011

IJTC
more >>
 
Webinar Flyer: November and December 2011
10/24/2011

STLE University
more >>
 
NREL Wind Turbine Tribology Seminar - Registration Form
10/13/2011

Industry Related News
more >>
 
NREL Wind Turbine Tribology Seminar - Agenda
10/13/2011

Industry Related News
more >>
 
NREL Wind Turbine Tribology Seminar - Logistics
10/13/2011

Industry Related News
more >>
 
Bruker Brochure
10/12/2011

Sales & Marketing
more >>
 
Rate Dependent Deformation Response of Articular Cartilage
10/1/2011

Bonnevie, E.

Technical Paper
more >>
 
STLE Oklahoma Section Newsletter for September
10/1/2011

Industry Related News
more >>
 
STLE Oklahoma Section Meeting Notice
10/1/2011

Industry Related News
more >>
 
STLE University Instructions
9/1/2011

Kara Lemar

STLE University
more >>
 
Oklahoma Section Meeting 9/22/11
9/1/2011

Section News
more >>
 
2011-12 Alberta Section Calendar
9/1/2011

Industry Related News
more >>
 
Hamilton Section Yearly Program
9/1/2011

Industry Related News
more >>
 
Hamilton Section - Education Day Brochure
9/1/2011

Industry Related News
more >>
 
Oklahoma Section News - September 2011
9/1/2011

Industry Related News
more >>
 
A Cellular Automata Approach for Modeling Multiphase Flow Tribology
9/1/2011

Marinack, M.

Technical Paper
more >>
 
Oklahoma Section Newsletter - June 2011
8/1/2011

Section News
more >>
 
Oklahoma Section News - August 2011
8/1/2011

Section News
more >>
 
Toronto Section News - September Meeting
8/1/2011

Section News
more >>
 
Toronto Section News - October Meeting
8/1/2011

Section News
more >>
 
Toronto Section News - November Meeting
8/1/2011

Section News
more >>
 
2011 Annual Meeting Ideas
7/1/2011

Sounding Board Column, TLT
more >>
 
Grease Degradation in Constant Velocity (CV) Joints
7/1/2011

Chul-Hee Lee, Jae Young Choi, In Sik Jeon, Wonoh Cho and Hyukchae Yun

Technical Paper
more >>
 
A New Method to Visualize Grease Flow in a Double Restriction Seal Using Microparticle Image Velocimetry
7/1/2011

T.M. Green, P. Baart, L. G. Westerberg, T.S. Lundstrom, E. Hoglund, P.M. Lugt, and J.X. Li

Technical Paper
more >>
 
Basic Handbook of Lubrication, Third Edition
6/1/2011

Robert M. Gresham

Book Review/Excerpt
more >>
 
2011 Annual Meeting Keynote Slides
5/1/2011

Gorb, S.

Industry Related News
more >>
 
2011 AM Education Course Description: Basic Lubrication 101
3/9/2011

Industry Related News
more >>
 
2011 AM Education Course Description: Bio Fuels and Lubricants
3/9/2011

Industry Related News
more >>
 
2011 AM Education Course Description: Condition Monitoring
3/9/2011

Industry Related News
more >>
 
2011 AM Education Course Description: Hydraulics
3/9/2011

Industry Related News
more >>
 
2011 AM Education Course Description: Synthetics 203
3/9/2011

Industry Related News
more >>
 
2011 AM Education Course Description: Basic Lubrication 102
3/9/2011

Industry Related News
more >>
 
2011 AM Education Course Description: NLGI Grease 101
3/9/2011

Industry Related News
more >>
 
2011 AM Education Course Description: Metalworking Fluid Hot Topics
3/9/2011

Industry Related News
more >>
 
2011 AM Education Course Description: Synthetics 204
3/9/2011

Industry Related News
more >>
 
Membership Testimonials for MGAM
3/1/2011

Industry Related News
more >>
 
Glossary of microbial terms
2/24/2011

Technical Paper
more >>
 
Webinar ad bearing damage analysis
2/18/2011

STLE University
more >>
 
March Webinar Flyer
2/18/2011

STLE University
more >>
 
March Webinar TLT Ad
2/18/2011

STLE University
more >>
 
February Webinar Flyer
1/24/2011

STLE University
more >>
 
October TLT Best Practices
1/24/2011

Technical Paper
more >>
 
automotive propulsion flyer
1/19/2011

Sales & Marketing
more >>
 
Energy Efficiency of industrial oils
1/6/2011

Technical Paper
more >>
 
Friction and Wear Characteristics of Advanced Lubricants
1/3/2011

Technical Paper
more >>
 
Top 10 Reasons to Join STLE
1/1/2011

Industry Related News
more >>
 
Friction, Wear, and Surface Film Formation Characteristics of Diamond-Like Carbon Thin Coating in Valvetrain Application
1/1/2011

A.K. Gangopadhyay, K. Sinha, D. Uy, D.G. McWatt, R.J. Zdrodowski, and S.J. Simko

Technical Paper
more >>
 
Tribological Properties of Greases Based on Biogenic Base Oils and Traditional Thickeners in Sapphire-Steel Contact
1/1/2011

Martin Fiedler, Erik Kuhn, Jose Maria Franco and Thomas Litters

Technical Paper
more >>
 
2011 STLE Annual Meeting Program at a glance
12/10/2010

Market & Technology Trends
more >>
 
automotive propulsion webinar flyer
12/1/2010

Kara Lemar

STLE University
more >>
 
November-December Tribology Transactions Technical Papers
11/24/2010

Technical Paper
more >>
 
Tribology Gold Citation
11/19/2010

People in the News
more >>
 
Tribology Gold Medal Winners
11/19/2010

People in the News
more >>
 
STLE University brochure
11/15/2010

Kara

STLE University
more >>
 
Tribology Transaction Articles
11/5/2010

Technical Paper
more >>
 
CORRGUARD EXT Amino Alcohol: New Innovation in Specialty Additives Delivering Improved MWF Life and Performance
11/1/2010

Justin Conklin, ANGUS Chemical Co.

Technical Paper
more >>
 
Lubrication Selection and Anlysis Practices Seminar
10/14/2010

Industry Related News
more >>
 
Philadelphia section meeting annoucement October 2010
10/8/2010

Industry Related News
more >>
 
Section leader handbook
10/1/2010

Technical Paper
more >>
 
2011 AM call for papers: Biotribology
9/24/2010

Technical Paper
more >>
 
Instruction to access recorded webinar
9/24/2010

STLE University
more >>
 
webinar 1
9/17/2010

John M. Burke

STLE University
more >>
 
IJTC 2010 Environmental Tribology Track
9/17/2010

IJTC
more >>
 
CHICAGO SECTION STLE TECHNICAL MEETING
9/13/2010

Section News
more >>
 
How to register for the webinar
9/1/2010

STLE University
more >>
 
environmental track IJTC 2010
8/20/2010

IJTC
more >>
 
The Future of Wind Energy
8/13/2010

Robert M. Gresham

Podcast
more >>
 
Strategic Oil Analysis: Time Dependent Alarms for Extended Lubricant Lifecycles
8/2/2010

Mike Johnson

Featured Articles

TLT: Oil analysis is a powerful tool in the machine condition monitoring toolbox—if used properly. Much like other technologies, it performs best within a well-developed plan. When accomplished, a well-devised plan can provide an effective long-term view into the health of any machine with lubricated components. TLT has provided STLE members with information about test methods, alarm methods and about the best alarm fit for the noted test methods to construct an effective oil analysis approach. The November 2009 TLT provides an overview that would be a worthwhile preview to this article. This article can be found on the STLE Web site. The 2009 article indicates that there are three common alarm types for grading the underlying problems for sumps and lubricated components.These are statistical (alarms used to identify machine wear problems), absolute (aka aging alarms, used to identify lubricant health and degradation) and percentage-based alarms(used for lubricant health and contamination monitoring).
more >>
 
Presidents Report August
8/1/2010

Peter Drechsler

Featured Articles

STLE has thrived for more than 66 years due to the support of a very special group of companies.
more >>
 
ISO 281: 2007 Bearing-life Standard
7/1/2010

Featured Articles

Every major industrialized nation in the world accepts the new bearing-life standard except the U.S. Why-and what does it mean for the industry?
more >>
 
Tribology in Biology Abstract IJTC 2010
7/1/2010

IJTC
more >>
 
Faster, more durable lithium-ion batteries
6/1/2010

Neil M. Canter

Featured Articles

The potential for using lithium-ion batteries in a number of applications is due to their superior performance, which includes lower power loss compared to other battery types. But problems have been encountered with slow cycling (charge and discharge) rates of lithium ions and safety. In the latter case, lithium-ion batteries have been found to catch on fire during use. In a previous TLT article, a layered lithium battery was developed featuring a transitional cathodic material, which contains high levels of nickel in the core and high concentrations of manganese on the surface. The former generates high energy but is unstable while the latter is more stable. This cathode material provides the combination of high energy with better stability.
more >>
 
Wind in the Willows
5/1/2010

Dr. Robert M. Gresham

Featured Articles
Tribology & Lubricants Fundamentals Column, TLT

In previous articles I have discussed the business and technical aspects of the wind energy movement. Indeed, the wind energy movement has certainly demonstrated that it has legs. There is a great deal of research funding dedicated to solving or resolving many of the technical issues affecting this industry. Many STLE members are enjoying this largesse. These issues are intriguing and challenging—good work for tribologists and lubrication engineers. By the way, if you want to learn more about how STLE members perceive the challenges of wind turbines, please see the Sounding Board article in last month’s issue of TLT.
more >>
 
Real-world oil analysis: Part III
5/1/2010

Jack Poley

Featured Articles

Continuing our exploration of real-world oil analysis, here is a collection of four sets of data from a final drive (planetary gearset) on an earth mover that really presents no evaluation mystery at the macro level. Get rid of the dirt and water, flush out the sump best one can, resolve the reason (seal compromise, lube-handling practices or one-off extrahostile environmental or usage conditions) and have a fairly healthy gear system—assuming it hasn’t failed from neglect since the problem was detected two samples earlier. The lube was changed one sample ago; that’s drained, as in the entirety of the work that was done. This customer evidently believes or hopes that changing the oil makes the problem go away, as no maintenance effort beyond the change was undertaken, nor was a system flush attempted. Well, at least the numbers got smaller.
more >>
 
Gas-expanded lubricants
5/1/2010

Neil M. Canter

Featured Articles

Gas-expanded liquids have been widely studied in the chemical sector for a variety of applications since the 1990s. According to Andres Clarens, assistant professor of civil and environmental engineering at the University of Virginia in Charlottesville, Va., “These liquids are often a mixture of a gas such as carbondioxide and a solvent under elevated pressures. By controlling the pressure and the temperature of the mixture, it is possible to carefully specify the properties of the fluid, which has important implications in a lot of applications where tunability is desired.” These mixtures make for easy separation of carbon dioxide from a solvent. Clarens indicates that one other benefit is that these mixtures reduce the total amount of solvent required for a specific operation. He says, “Adding carbon dioxide reduces the amount of solvent required for a specific application, and this lowers the cost and reduces the environmental footprint.”
more >>
 
Drop friction
4/1/2010

Neil M. Canter

Featured Articles

A better understanding of friction at the macroscale and the nanoscale has been the subject of much research and a number of articles in TLT. We all know that a solid object placed on a surface can be moved once frictional forces are overcome. The force needed to push the object is proportional to the object’s weight or load. A heavier object has a greater contact area with the surface than a lighter one and, as a result, has more friction to overcome in order to move. This is the basis for Amontons’ laws of friction. In a previous TLT article, work was done to show that friction at the nanoscale is consistent with what is seen at the macroscale. Both effects are dependent upon the roughness of the surface. In the case of the nanoscale, roughness is defined by the number of atoms that interact between two surfaces.
more >>
 
MWF heat treatment: Options for a critical process
3/1/2010

Dr. Neil Canter

Featured Articles

When the topic of metalworking is raised, most of us think of drilling a hole in a piece of metal or bending a metal part to form a component for an automobile. Not as many individuals realize that another process included under the realm of metalworking is heat treating or quenching. Heat treatment is utilized to adjust the physical and mechanical properties of metals so that they can be used in subsequent metalworking applications. These properties are changed by the controlled heating and then cooling of metals. In many cases, the objective of heat treatment is to increase the strength of a specific metal alloy. Most operations are conducted on steel alloys, but nonferrous metals such as aluminum and titanium also can be heat treated.
more >>
 
Real-world oil analysis
3/1/2010

Jack Poley

Featured Articles

Let’s continue our discussion on concepts in oil analysis data evaluation from a worm gear drive in an industrial manufacturing plant. There are 17 reports available for this component, as we’ll inspect the most recent samples to present, as shown in Figure 1. At first glance this looks sudden but, looking at the Fe pattern now, we can see that the two previous samples were predictive of the wear event in the most current sample, perhaps not as boring as I claimed. Si (silicon) has dramatically increased, as well and, with no evidence to the contrary, is likely indicative of abrasive contamination.
more >>
 
Feel of skin cream
3/1/2010

Neil M. Canter

Featured Articles

As an old surfactant chemist, I found out early in my career that there is a direct relationship between the components used in personal-care products and in lubricants. Formulators in both markets share components such as emulsifiers and lubricity additives. The latter are known to the personal-care industry as emollients. One personal-care product that we use everyday is skin cream. While we may not pay much attention to the product’s content, skin creams are complex emulsions that contain such additive types as humectants (attract and hold water in the skin) and occlusives (form a layer on the skin surface and moisturize by retarding water evaporation). In a sense, a skin cream has comparable components to an emulsified oil used in metalworking applications.
more >>
 
Current Approachesin Design and Supply of Metalworking Fluids
3/1/2010

Brinksmeier, E., Garbrecht, M., Heinzel, C., Koch, Th., and Eckebrecht, J.

Technical Paper
more >>
 
Supercritical fuel
2/1/2010

Dr. Neil Canter

Featured Articles

A wide range of approaches have been undertaken to determine how to reduce emissions from automotive engines. In a previous TLT article, the development of the homogeneous charge compression ignition (HCCI) engine was discussed. When used in place of a conventional gasoline engine, an HCCI engine can produce a 15% to 20% improvement in fuel economy and a significant reduction in NOx emissions. The HCCI process relies on spontaneous ignition of the gasoline, air mixture similar to the auto-ignition process in a diesel engine. As we all know, three specific states of matter (solid, liquid and gas) exist, and most substances can be found in one of these states at any given combination of temperature and pressure. When the temperature and pressure is increased above a value known as the critical point, the substance reaches a fourth state known as supercritical.
more >>
 
New products: How do we get them?
2/1/2010

Dr. Robert M. Gresham

Featured Articles
Tribology & Lubricants Fundamentals Column, TLT
more >>
 
Stretching salt
1/1/2010

Dr. Neil Canter

Featured Articles

Salt or sodium chloride is a typical ionic solid that we all know well from both personal and professional perspectives. This compound contains sodium and chlorine ions organized in face-centered cubic crystals. Electrostatic interactions between these ions are the source of the bonding that holds this compound together. The presence of salt as a contaminant is a concern because it promotes metal corrosion. Salt is readily soluble in water and facilitates the movement of ions through metal, which accelerates the corrosion process. Salt is also a brittle material that readily shatters like glass when placed under pressure. But when placed in a humid environment, salt becomes more ductile. Nathan Moore, postdoctoral researcher at Sandia National Laboratories in Albuquerque, N.M., says, “It is possible to bend and twist large pieces of salt as long as they are not just single crystals but are made of smaller grains.”
more >>
 
Tribological Properties of Polytetrafluoroethylene, Nano-Titanium Dixoide, and Nano-Silicon Dioxide as Additives in Mixed Oil-Based Titanium Complex Grease
1/1/2010

Jiguo Chen

Technical Paper
more >>
 
Improved solar power reflector
12/1/2009

Dr. Neil Canter

Featured Articles

Development of alternative energy sources has been a daunting task from both the technology and economic standpoints. A case in point is capturing solar energy for use in generating electricity. In a previous TLT article, a heat transfer fluid is found to be an integral component in a parabolic mirror used to capture solar energy for the generation of electricity. The parabolic mirror efficiently captures and focuses solar rays onto a receiver pipe containing a heat transfer fluid. Keith Gawlik, senior engineer at the U.S. Department of Energy’s National Renewable Energy Laboratory (NREL), says, “The use of parabolic mirrors to capture solar energy dates back to the first installations in the 1980s. In a period between 1984 and 1991, the Solar Electric Generating Systems (SEGS) was established in the U.S. in the Mojave Desert in California. SEGS includes nine plants with a total capacity of 354 megawatts.”
more >>
 
Nanoparticle-based emission catalysts
11/1/2009

Dr. Neil Canter

Featured Articles

Reducing automotive emissions increases the need for more effective catalyst technologies. In the U.S., EPA has reduced the NOx emission requirements to 1.2 grams per brake hp hour in 2007. This emissions requirement will drop further to 0.2 gram per brake hp hour in 2010. In a past column, the benefits of a cerium oxide-modified Cu-ZSM-5 catalyst were described in reducing NOx emissions. The introduction of cerium oxide enabled the catalyst to function in the temperature range (between 325 C and 350 C) of diesel exhaust. The catalyst can remove 95% to 100% of NOx emissions.
more >>
 
Interpreting oil analysis data
11/1/2009

Jack Poley

Featured Articles

In September we introduced the notion of spherical evaluation techniques, i.e., approaching the oil analysis evaluation problem from all directions and nuances possible like, for example, a puzzle. We started with a significantly out-of-spec viscosity difference in a gearbox with a straight-grade oil, almost always indicative of a mis-add such as putting the wrong product in the gearbox sump. Later we presented the same problem with a diesel engine, wherein viscosity decreased substantially, though we now had to also consider an operating problem, possibly in the fuel-delivery circuit. As a result, this added another layer of thought, which is still a rather simple diagnostic consideration. The report herein adds yet more complexity to the evaluation process. Note: The data flagged here were flagged against statistical determinants for similar components and applications.
more >>
 
Shaken, not stirred
11/1/2009

Paul Hetherington

Featured Articles

Many years ago I worked for an organization with a medium-sized utility plant that had four 50-mw, steam-driven turbo-generators operating continuously for about 15 years with the same oil. Over time the oil started to develop a measurable amount of foam in the tanks, to a point where some action was warranted. The oil volume in each of the tanks was a little more than 6,000 liters, and oil changes would have been a fairly significant expense. Since I am a firm believer in avoiding “quick-fix” additive treatment products, I chose instead to take a much more systematic and due diligence approach. At least that was the plan!
more >>
 
TecGuard Metalworking Additives
11/1/2009

Industry Related News
more >>
 
Reducing the Impact of MWF and Slideway Lubricant Contamination
11/1/2009

Joe Purnhagen, The Lubrizol Corporation

Technical Paper
more >>
 
PCMC - The Classic Preservative for MWFs and Lubricants
11/1/2009

Oliver Kretschik, LANXESS Corporation

Commercial Marketing Special Issues, TLT
more >>
 
Rust & Corrosion Inhibition of industrial Lubricants
10/5/2009

Robert Baker

Speaker
Tribology & Lubricants Fundamentals Column, TLT
more >>
 
Synthetic submarine hydrualic oil
10/1/2009

Dr. Neil Canter

Featured Articles

Lubricant fluids used in submarine propulsion systems must meet very challenging operating conditions. Submarines function very independently, which means their operating systems need to perform reliably over long time periods. If a problem occurs with a submarine at sea, the chances for outside assistance are remote. A lubricating fluid in a submarine must therefore be very reliable. STLE members Dr. Richard Sapienza, CEO of METSS Corp., Westerville, Ohio, and William Ricks, senior research scientist for METSS Corp., say, “Space constraints in a submarine mean that it cannot carry too many materials. Lubricants must not only be reliable but also multifunctional.”
more >>
 
Lean, mean manufactoring machines
10/1/2009

Dr. Robert M. Gresham

Tribology & Lubricants Fundamentals Column, TLT

Through our relationship with the Society of Manufacturing Engineers (SME), I have come to learn more about a new term called lean manufacturing. What does this word have to do with tribology and lubrication engineering? Actually, lean manufacturing has a lot to do with us. I suppose this subject resonates with me because of my industry experience working in manufacturing for both Du- Pont and E/M Corp. In those days life was actually pretty easy. All I had to do was ship the right quality at the right cost at the right time. I could put a number on each of these, and at the end of the day I knew in clear terms whether I had done the job. Better yet, these numbers were all compared to a standard.
more >>
 
Why superconductivity = super opportunity
9/1/2009

Betty Catalina Kohanloo

Featured Articles

As the flat economy has stressed both industries and consumers worldwide, almost everyone, it seems, is seeking aggressive tactics to decrease variable costs stemming from energy consumption. With economic woes mounting, the energy efficiency concerns of the 1970s and ’80s are plaguing the world again. The rise of resource nationalism in foreign and domestic countries, a “no drilling in my backyard attitude” by many, increased demands from developing countries and a stagnant supply has led to escalating energy prices. Since greater than 63% of all electricity in the U.S. industrial energy sector is consumed by motors, and due to high electrical costs, implementing energy-efficient strategies could help reduce unnecessary spending. By emulating the energy policies of Germany, Japan and others in the European Union, the U.S. may be able to offset energy costs.
more >>
 
Special Report: Boundary Lubricity Additives
9/1/2009

Dr. Neil Canter

Featured Articles

In a past additive column we explored the different types of extreme pressure (EP) agents and provided information on future trends to enable readers to learn more about how to use this important class of additives. We decided on the topic after surveying TLT readers. Considering the variety of additives used to boost the performance of industrial lubricants, we decided to do another readership survey in mid-2009 to see what additive type our readers would most like to learn more about. The majority of readers said lubricity additives have the greatest impact on lubricant performance and is the area they are most interested in learning more about. From the survey we determined there was some confusion about the differences between boundary lubricity additives and extreme pressure agents. In this article, TLT requested interviews with key manufacturers of boundary lubricity additives to obtain their insights on how these additives function, how to differentiate the performance of boundary lubricity additives, when to recommend a boundary lubricity additive instead of an EP agent and future trends.
more >>
 
What's the point?
9/1/2009

Jack Poley

Featured Articles

We call it “oil analysis” and, as I’ve often noted, it’s a bit of a misnomer— actually, more than a bit to me. Following is a short quiz for which (suggested) answers have appeared in previous columns: The purpose of oil analysis is to: a. Garner pertinent data b. Make, preserve or conserve money c. Extend lube drains with minimal risk d. Make timely, useful maintenance and equipment utilization decisions. The answer is “all the above,” but if one adds the word: “primary” before “purpose,” the answer is (b.) to make or preserve money.
more >>
 
The secret is in the formulation
9/1/2009

Dr. Roger Melley

Featured Articles

Back in the early 1970s I was working with the research department in the chemical division of a multinational rubber company. In addition to running R&D programs, I provided technical service to our plants around the United Kingdom. I remember receiving a call from the technical manager of one of our plants in Scotland requesting help with a particular formulation. It seems that batches mixed on day shift had a tendency to just fail the technical specs, while those mixed overnight were always perfect. They had monitored operations and, as far as they could determine, there were no differences at all in the procedures.
more >>
 
A New Form of Rolling Contact Damage in Grease-Lubricated, Deep-Groove Ball Bearings
9/1/2009

Takeo Yoshioka, Shigeo Simizu, and Hirokazu Shimoda

Technical Paper
more >>
 
What is your favorite quote? How has it impacted you?
9/1/2009

Sounding Board Column, TLT
more >>
 
New test method for detecting microbes in MWFs
8/1/2009

Dr. Neil Canter

Featured Articles

Microbial contamination continues to be an ongoing problem in managing metalworking fluid systems. If left untreated, bacteria and fungi can degrade the components in a metalworking fluid and present health risks to the workers at an end-user facility. Degradation of metalworking fluids leads to a reduction in fluid performance. Such detrimental issues as corrosion, increased tool wear and replacement and increased parts rejection rates also can occur in systems dealing with microbial contamination. One other factor is the generation of biofilms that can lead to filter plugging. Determination of the level of microbes is mainly conducted by using dipslides. STLE-Fellow Dr. Fred Passman of BCA, Inc., in Princeton, N.J., says, “The purpose of the test is to detect microbes by placing a sample of the metalworking fluid in a growth medium for 36 to 48 hours. On one side of the paddle, red spots characteristic of bacteria can grow while on the other side fuzzy white spots characteristic of fungi are seen.”
more >>
 
Green redux
8/1/2009

Dr. Robert M. Gresham

Featured Articles

Based on my experiences last fall attending STLE's International Joint Tribology Conference and the Annual Meeting held by the American Oil Chemists Society, I have waxed a bit about all things green, particularly as they pertain to our industry—probably more than you ever wanted to read. In these articles I’ve tried to add perspective and make a few key points. First, green technology has to be financially sound. The global price of crude oil controls these economics. Green technology has certain inherent costs, as do all technologies, and while we can, through science and engineering, work to reduce these costs, at the end of the day they are what they are. When the global price of crude is high, exceeding these costs by a respectable margin, these green technologies look pretty good. Conversely, green technologies don’t look so good when the global price is low, as it is at the time of writing this article. The biggest problem is price swings, which create a moving target.
more >>
 
Test efficacy in oil analysis
7/1/2009

Jack Poley

Featured Articles

In recent columns we’ve addressed the fact that oil analysis is cheaper and implied that overall it was also better. But what does better mean? Oil analysis consists of a variety of selected tests that reveal accessible information for practical maintenance decisions. Previously, I’ve discussed that most information tested for has remained the same over four decades, but the testing methods changed due to development of increasingly sophisticated instrumentation. Such development added desirable capabilities and reduced costs.
more >>
 
Upgrading biodegradable lubricant performance
6/1/2009

Dr. Neil Canter

Featured Articles

Interest in the use of biodegradable lubricants continues as more emphasis is placed on using fluids that are derived from sustainable raw materials. One area of concern with current biodegradable lubricants is inferior performance compared to synthetic lubricants, particularly from the standpoint of oxidation stability and low-temperature characteristics. Readily available feedstocks such as soybean oil often do not provide sufficient oxidation stability because of very high levels of polyunsaturated fatty acid chains such as linoleic in the triglyceride structure. These fatty acids are particularly vulnerable to oxidation and, as a consequence, the generation of insoluble varnishes and residues can occur.
more >>
 
Waste treatment in tough times
6/1/2009

Dr. Robert M. Gresham

Tribology & Lubricants Fundamentals Column, TLT

During tough times it’s important for managers to stay focused and disciplined regarding the things that made their company successful during the good times. This is not to say you don’t embrace positive change or hang on to old things that aren’t working—those changes should come in good or bad times. Rather, we can get so caught up in trying to reduce costs and increase sales that we forget the basics. The management of a company’s waste stream is an example of a behind-the-scenes activity that should not be a major drain on profitability. With proper management waste treatment can result in such positives as reducing new lubricant purchases, lowering the cost of waste treatment, improving the environment and eliminating fines and a negative societal image. You also can generate sales of certain wastes as boiler fuel. In other words, a business case can and should be made for proper waste management and recycling—even in tough times.
more >>
 
The Possibilities and Limitations of DRY MACHINING
3/1/2009

Dr. Neil Canter

MWF Special Section, TLT

Dry and near-dry machining won’t replace traditional metalworking fluid technology anytime soon, but they do offer advantages for some niche markets.
more >>
 
Relationship between the presence of mycobacteria and non-mycobacteria in metalworking fluids
3/1/2009

Drs. Frederick J. Passman, Katalin Rossmoore & Leonard Rossmoore

Case Studies
MWF Special Section, TLT

Researchers investigate test samples to get a better understanding of the microbial population in MWF
more >>
 
Challenges in formulating metal-forming fluids
3/1/2009

Neil M. Canter

Featured Articles
MWF Special Section, TLT

Developing metal-forming fluids for specific applications and increasing manufacturing productivity are just some of the problems facing lubricant suppliers.
more >>
 
Sounding Board Survey March 2009
3/1/2009

MWF Special Section, TLT
Sounding Board Column, TLT

Please describe the most difficult problem you observed in a manufacturing operation that involved metalworking fluids. How did you resolve the problem?
more >>
 
I get misty…no more!
3/1/2009

Dr. Robert M. Gresham

Featured Articles
MWF Special Section, TLT

Controlling mist contamination is a top priority for metalworking fluid managers in protecting the environment of their operations.
more >>
 
Metalworking Fluids, Second Edition Book Review
3/1/2009

Dr. Robert M. Gresham

Editor's Choice
MWF Special Section, TLT

Edited by Jerry P. Byers, Milacron, Inc., Cincinnati, Ohio Co-published by CRC Press (Taylor & Francis Group) and STLE
more >>
 
Spotlight on Metalworking Fluids
3/1/2009

STLE

MWF Special Section, TLT

Cover and table of contents
more >>
 
Challenges in Formulating Metal-forming Fluids
3/1/2009

Neil M. Canter

Special Publication/White Paper
more >>
 
Lubrication and Maintenance of Industrial Machinery: Best Practices and Reliability
2/1/2009

Robert M. Gresham & George E. Totten

Book Review/Excerpt
more >>
 
Download free collection of Lubrication Fundamental articles reprinted from STLE’s membership magazine
11/26/2008

Tribology & Lubricants Fundamentals Column, TLT
more >>
 
Fluid Testing Capabilities
11/1/2008

ALS Staveley Services Fluids Analysis

Commercial Marketing Special Issues, TLT
more >>
 
A New Way to Prevent Varnish Buildup
11/1/2008

The Lubrizol Corporation

Commercial Marketing Special Issues, TLT
more >>
 
A New and Efficient Way to Make Simple and Complex Lithium Greases
11/1/2008

The Lubrizol Corporation

Commercial Marketing Special Issues, TLT
more >>
 
Newly Approved Biocide for Lubricant Applications
11/1/2008

LANXESS Corporation

Commercial Marketing Special Issues, TLT
more >>
 
High-Performance Synthetic Basestocks Solve Lubrication Challenges
11/1/2008

ExxonMobil Chemical

Commercial Marketing Special Issues, TLT
more >>
 
Perfad™ 3950 – Croda’s Advanced Multi-Metal Cutting Technology
11/1/2008

Croda Lubricants

Commercial Marketing Special Issues, TLT
more >>
 
Reduce Downtime in No Time
11/1/2008

Afton Chemical Corporation

Commercial Marketing Special Issues, TLT
more >>
 
Alternatives for Rust Protection and Emulsification
11/1/2008

Additives International

Commercial Marketing Special Issues, TLT
more >>
 
A Review on Grease Lubrication in Rolling Bearings
11/1/2008

Piet M. Lugt

Technical Paper
more >>
 
Improving Efficiency of Mobile Hydraulic Systems
10/1/2008

Dr. Neil Canter

Tech Beat Column, TLT
more >>
 
Friction Science and Technology: From Concepts to Applications, 2nd Edition
10/1/2008

Robert M. Gresham

Book Review/Excerpt
more >>
 
Machinery Oil Analysis
6/1/2008

Robert M. Gresham

Book Review/Excerpt
more >>
 
Army's Past Leads to Today's Lubricant Standards
4/1/2008

Maurice LePera

Featured Articles
more >>
 
The Secret's in the Filter
2/1/2008

Linda Day

Featured Articles
more >>
 
The Effect of Novel Surface Textures on Tappet Shims on Valvetrain Friction and Wear
1/1/2008

A.K. Gangopadhyay, and D.G.Mcwatt

Technical Paper
more >>
 
Finding YourWay Around the Food-grade Lubricants Maze
11/1/2007

Lubrizol

Commercial Marketing Special Issues, TLT
more >>
 
Satisfying the Appetite of Today’s Food-processing Equipment
11/1/2007

Afton Chemical Corporation

Commercial Marketing Special Issues, TLT
more >>
 
Innovative Components for Lubricant Applications
11/1/2007

Arizona Chemical

Commercial Marketing Special Issues, TLT
more >>
 
Novel EP Additive Offers a New Approach for Heavy-Duty Applications
11/1/2007

Dover Chemical Corporation

Commercial Marketing Special Issues, TLT
more >>
 
Creating Value with High-Performance Synthetic Basestocks
11/1/2007

ExxonMobil Chemical

Commercial Marketing Special Issues, TLT
more >>
 
Lonza’s New Antimicrobial Technology
11/1/2007

Lonza, By Joe Kimler, Sr.

Commercial Marketing Special Issues, TLT
more >>
 
Improving Equipment Productivity and Fuel Economy with the Dynavis® Additive System for Hydraulic Fluids
11/1/2007

RohMax Oil Additives, By Michael D. Zink

Commercial Marketing Special Issues, TLT
more >>
 
What'sTribology?
8/1/2007

Dr. Robert M. Gresham

Tribology & Lubricants Fundamentals Column, TLT
more >>
 
Viscosity: The Resistance to flow
8/1/2007

Tribology & Lubricants Fundamentals Column, TLT
more >>
 
Lubricant Base Oils
8/1/2007

Tribology & Lubricants Fundamentals Column, TLT
more >>
 
Synthetic Lubricants: Perception vs. Reality
7/1/2007

Charles Barrett

Featured Articles
more >>
 
The Lubrication Engineers Manual, 3rd Edition
7/1/2007

Robert M. Gresham

Book Review/Excerpt
more >>
 
Oil Analysis Part II: Past, Present & Future
6/1/2007

Mike Johnson

Featured Articles
more >>
 
Oil Analysis Part I: Past, Present & Future
5/1/2007

Mike Johnson

Featured Articles
more >>
 
Hydraulic Fluids: The Pressure to Perform Better
4/1/2007

Betty Catalina Rostro and Nancy Nalence

Featured Articles
more >>
 
Understanding Biomass to Liquid
3/1/2007

Neil Canter

Tech Beat Column, TLT
more >>
 
The Lubricity of Fuels
2/1/2007

Maurice LePera

Featured Articles
more >>
 
The Hidden Dangers of Downtreating in Hydraulic Applications
11/1/2006

Lubrizol

Commercial Marketing Special Issues, TLT
more >>
 
Advanced High- Performance Synthetic Basestocks
11/1/2006

ExxonMobil Chemical, By W. Page Greenwood

Commercial Marketing Special Issues, TLT
more >>
 
Low Load Twist Compression Study
11/1/2006

IRDI, By Jean V. Reid, PhD

Commercial Marketing Special Issues, TLT
more >>
 
NA-LUBE® KR Series of Alkylated Naphthalene Synthetic Basestocks
11/1/2006

King Industries

Commercial Marketing Special Issues, TLT
more >>
 
Viscosity is Only Half the Story
11/1/2006

Afton Chemical Corp.

Commercial Marketing Special Issues, TLT
more >>
 
New Antimicrobial Technology from Arch® Biocides
11/1/2006

Arch Chemicals, Inc.

Commercial Marketing Special Issues, TLT
more >>
 
Grease Degradation in R0F Bearing Tests
11/1/2006

P.M. Cann, M.N. Webster, J.P. Doner, V. Wikstrom and P. Lugt

Technical Paper
more >>
 
Handbook of Lubrication and Tribology—Volume I: Application and Maintenance, Second Edition
7/1/2006

Dr. Robert M. Gresham

Book Review/Excerpt
more >>
 
Metalworking Fluids, 2nd Edition
6/1/2006

Robert M. Gresham

Book Review/Excerpt
more >>
 
Souding Board: Books (2006)
5/1/2006

Sounding Board Column, TLT
more >>
 
On the lift-off speed in journal bearings
3/1/2006

Technical Paper
more >>
 
An Investigation into Grease Behavior in Thermal EHL Circular Contacts
3/1/2006

Yanshuang Wang and Boyuan Yang

Technical Paper
more >>
 
Taking Stock
2/1/2006

Kathryn Carnes

Featured Articles
more >>
 
The Friction Behavior of Individual Components of a Spark-Ignition Engine During Warm-Up
1/1/2006

C.C. Daniels & M.J. Braun

Technical Paper
more >>
 
Study of Flow Characteristics of Lubricant in Spiral Groove Bearings by the Fluorescent Method
1/1/2006

Technical Paper
more >>
 
ARKEMA and Metalworking
11/1/2005

Michael D. Gernon, Arkema Inc.

Commercial Marketing Special Issues, TLT
more >>
 
Mechanical Tribology: Materials, Characterization and Applications
11/1/2005

Robert M. Gresham

Book Review/Excerpt
more >>
 
Bishydroxyethyl Methylamine
11/1/2005

Huntsman

Commercial Marketing Special Issues, TLT
more >>
 
The Twist Compression Test For Evaluating Lubricant/Material Combinations
11/1/2005

IRDI, By Jean V. Reid, Ph.D.

Commercial Marketing Special Issues, TLT
more >>
 
New Formulation Possibilities With Advanced Polyalphaolefins
11/1/2005

ExxonMobil Chemical

Commercial Marketing Special Issues, TLT
more >>
 
TecGARD™ Metalworking Emulsifiers
11/1/2005

Afton Chemical Corp.

Commercial Marketing Special Issues, TLT
more >>
 
Lubrizol® 5333 – The Next Generation Sulfurized Additive
11/1/2005

Lubrizol

Commercial Marketing Special Issues, TLT
more >>
 
Stepan Metalworking Additives
11/1/2005

Stepan Company

Commercial Marketing Special Issues, TLT
more >>
 
The Basics of Hydraulics Flow Control
11/1/2005

Dr. Robert M. Gresham

Tribology & Lubricants Fundamentals Column, TLT
more >>
 
The Basics of Hydraulic Flow Control
11/1/2005

Dr, Robert Gresham

Tribology & Lubricants Fundamentals Column, TLT
more >>
 
What's an accumulator?
10/1/2005

Dr. Robert M. Gresham

Tribology & Lubricants Fundamentals Column, TLT
more >>
 
The Trouble with Water
10/1/2005

Dr. Alan C. Eachus

Featured Articles
more >>
 
Surface Modification and Mechanisms
10/1/2005

Robert M. Gresham

Book Review/Excerpt
more >>
 
Hydraulics: The Reservoir
8/1/2005

Dr. Robert M. Gresham

Tribology & Lubricants Fundamentals Column, TLT
more >>
 
Multipurpose Vehicle Oils: To Have and Have Not
8/1/2005

Maurice E. LePera ane Allen S. Comfort

Featured Articles
more >>
 
Better Metalforming Techniques for Auto Manufacturing
7/1/2005

Neil M. Canter

Tech Beat Column, TLT
more >>
 
The Ten Greatest Events in Tribology History
6/1/2005

Kathryn Carnes

Featured Articles
more >>
 
Actuators, actually
4/1/2005

Dr. Robert M. Gresham

Tribology & Lubricants Fundamentals Column, TLT
more >>
 
Learning more about viscosity
1/1/2005

Dr. Robert M. Gresham

Tribology & Lubricants Fundamentals Column, TLT
more >>
 
Rethinking the Basestock Equation
1/1/2005

Dr. Neil Canter

Featured Articles
more >>
 
Fundamentals of Fluid Film Lubrication, Second Edition
12/1/2004

Robert M. Gresham

Book Review/Excerpt
more >>
 
A Little About RCM
9/1/2004

Dr. Robert M. Gresham

Tribology & Lubricants Fundamentals Column, TLT
more >>
 
Offroad Hydraulic Fluids: Beyond Biodegradability
9/1/2004

Kathryn Carnes

Featured Articles
more >>
 
Hydraulics: An Inside Look at Pumps
8/1/2004

Dr. Robert M. Gresham

Tribology & Lubricants Fundamentals Column, TLT
more >>
 
Lubricant Additives - Chemistry and Applications
8/1/2004

Robert M. Gresham

Book Review/Excerpt
more >>
 
Lubrication Fundamentals
6/1/2004

Robert M. Gresham

Book Review/Excerpt
more >>
 
Remedy to Black Oil Problems in Centrifugal Pumps with Ball Bearings
6/1/2004

Rick Koch

Case Studies

This case study involves a 3600 rpm, 700 horsepower multi-stage centrifugal pump (and its associated ball bearing system) which has benn critically analyzed. The pump features a duplex (back to back) ball thrust bearing arrangement. The impellers are arranged in series (in-line impellers). The pump also features a flange-type balance drum (or balance disk) to counter-balance the rotor axial thrust.
more >>
 
Prepositioning Military Vehicles and Equipment
5/1/2004

Maurice E. LePera

Featured Articles
more >>
 
Lubricant base oils
4/1/2004

Dr. Robert M. Gresham

Tribology & Lubricants Fundamentals Column, TLT
more >>
 
Give me a lever...revisited
3/1/2004

Dr. Robert M. Gresham

Tribology & Lubricants Fundamentals Column, TLT
more >>
 
Biotribology: The Tribology of Living Tissues
12/1/2003

Market & Technology Trends

Science continues its pursuit of wear reduction on the most advanced of machines – the human body.
more >>
 
Possibilities and Limitations of Dry Machining
11/1/2003

Neil Cantor

Market & Technology Trends

Dry and near-dry machining won’t replace traditional metalworking fluid technology anytime soon, but they do offer advantages for some niche markets.
more >>
 
GTL: Transforming the Future of Lubricant Production?
10/1/2003

Peter Fairley

Market & Technology Trends

Gas-to-liquids synthesis promises an abundance of high-performance lubricants, but is the technology viable?
more >>
 
Competitive Surface Interactions of Critical Additives with Piston Ring/Cylinder Liner Components under-Lubricated Breaking-In Conditions
7/1/2003

Li, S., Zhang, R., and Jin, Y and Wang, Y., and Tung S

Editor's Choice
more >>
 
PAO-Based Synthetic Lubricants in Industrial Applications
1/1/2003

Moore, L., and Fels, D., Seay, A., and Lopez, C., and Harris, K., and Peck, D.

Case Studies
more >>
 
Crude Oil, Chemical Synthesis and a Bowl of Pasta
11/1/2002

Dr. Robert M. Gresham

Tribology & Lubricants Fundamentals Column, TLT
more >>
 
New High Performance Synthetic Hydrocarbon Base Stocks
6/1/2002

Song, W., Chiu, I., Heilman, W., Nguyen, N., and Amszi, J., and Chien, J.

Commercial Marketing Special Issues, TLT
Technical Paper
more >>
 
Effects of Grease Composition and Structure on Film Thickness in Rolling Contact
6/1/2002

I. Couronne, P. Vergne, D. Mazuyer, N. Truong-Dinh and D. Girodin

Technical Paper
more >>
 
Assuring Food Safety in Food Processing: The Future Regulatory Environment for Food-Grade Lubricants
2/1/2002

Raab, M

Technical Paper
more >>
 
Investigation of Antiwear Additives for Synthetic Esters
1/1/2002

Minami, I and Hasegawa, T. and Memita, M and Hirao, K.

Technical Paper
more >>
 
On-Line Remediation of Ester Based Synthetic Oils
6/1/2001

Dufresne, Peter E.

Technical Paper
more >>
 
Enhanced Performance of Pennzane® Greases for Space Applications by Both Additive Formulations and Smooth Hard Coatings
6/1/2001

A.K. Rai, M.L. Massey, L.J. Gschwender, C.E. Snyder, Jr., J.S. Zabinski, S.K. Sharma and W.R. Jones, Jr.

Technical Paper
more >>
 
High Stability Esters for Syntheticd Lubricant Applications
2/1/2001

Schlosberg, R., Chu, J., Knudsen, G., and Suciu, E. and Aldrich, H.

Technical Paper
more >>
 
Coolant Filtration, 2nd Edition — Additional Technologies
1/1/2001

Robert M. Gresham

Book Review/Excerpt
more >>
 
Noise Characteristics of Rolling Bearing Greases
10/1/2000

Technical Paper
more >>
 
Synthetic Hydraulic Fluids for High Performance Applications
10/1/2000

Wilfried J. Bartz

Technical Paper
more >>
 
Out-Particling of Rolling Bearings Lubricated with Urea- and Fluorine-Based Greases
9/1/2000

Technical Paper
more >>
 
Left in Limbo
9/1/2000

Will Buss, Matthew Johnson

Technical Paper
more >>
 
Compatability of Hydraulic System Materials
7/1/2000

Tribology & Lubricants Fundamentals Column, TLT
more >>
 
Grease Test System for Improved Life of Ball and Roller Bearings
12/1/1999

Technical Paper
more >>
 
Generation of Static Electricity During Oil Filtration
9/1/1999

Akira Sasaki, Shinji Uchiyama, and Takashi Yamamoto

Technical Paper

Filter habe been widely used to proctect hydraulic and lubricating system from harmful contamination. But one still can have hydraulic problems due to contamination such as oil oxidation products which cannot be removed by fine pore filters.
more >>
 
Free Radicals and Oil Auto-Oxidation Due to Spark Discharge of Static Electricity
9/1/1999

Akira Sasaki, Shinji Uchiyama, and Takashi Yamamoto

Technical Paper

Spark Discharge of static electricity are generated by friction while oil passes through a filter. This paper discusses production of free radicals by spark discharge of static electricity and confirms oil oxidation.
more >>
 
Environmental Effects on Pitting Corrosion of AISI 440C Ball Bearing Steels-Experimental Results
6/1/1999

Technical Paper
more >>
 
Diagnosis and Cause Analysis of Rolling Element Bearing Failure in Electrical Power Equipment Due to Current Passage
5/1/1999

Technical Paper
more >>
 
Effect of Particulate Contamination in Grease-Lubricated Hybrid Rolling Bearings
3/1/1999

Lars Kahlman and Ian M. Hutchings

Technical Paper
more >>
 
Measurement of Tribological Characteristics in the Research of Journal Bearing Materials
1/1/1999

Technical Paper
more >>
 
Basic Hydraulics - Accumulators
10/1/1998

Tribology & Lubricants Fundamentals Column, TLT
more >>
 
Basic Hydraulics - Filtration
9/1/1998

Tribology & Lubricants Fundamentals Column, TLT
more >>
 
Basic Hydraulics - Hydraulic Fluids Continued
8/1/1998

Tribology & Lubricants Fundamentals Column, TLT
more >>
 
Opportunities and Market Trends in MWFs
8/1/1998

Thomas F. Glenn, Frans vanAntwerpen

Technical Paper
more >>
 
Basic Hydraulics - Hydraulic Fluids
7/1/1998

Tribology & Lubricants Fundamentals Column, TLT
more >>
 
Basic Hydraulics - Reservoirs
6/1/1998

Tribology & Lubricants Fundamentals Column, TLT
more >>
 
Basic Hydraulics - Valves
5/1/1998

Tribology & Lubricants Fundamentals Column, TLT
more >>
 
Basic Hydraulics - Pumps
4/1/1998

Tribology & Lubricants Fundamentals Column, TLT
more >>
 
Basic Hydraulics - Introduction
3/2/1998

Tribology & Lubricants Fundamentals Column, TLT
more >>
 
Effects of Urea Grease Composition on the Seizure of Ball Bearings
11/1/1997

Michiharu Naka, Hirowki Ito, Hideki Koizumi and Yoichiro Sugimori

Technical Paper
more >>
 
Centrifugal Artificial Heart Pump
10/1/1996

Technical Paper
more >>
 
Ferrographic Analysis of Grease-Lubricated Systems An Analysis of Greases in Roller Bearings
9/1/1996

Technical Paper
more >>
 
Amine Carboxylates - Additives in MWFs
5/1/1996

Quitmeyer, Joann

Technical Paper
more >>
 
Factors Affecting Selection of MWF Biocides
1/1/1996

Rossmore, Harold

Technical Paper
more >>
 
Using Complex Polymeric Esters as Multifunctional Replacements for Chlorine and Other Additives in Metalworking
1/1/1996

Miller, Phillip and Patel, Harish

Technical Paper
more >>
 
Dermal Carcinogenicity Studies of MWFs
1/1/1996

McKee, R.H., O'Connor, D.J.

Technical Paper
more >>
 
Back to Basics Part 1-5.pdf
12/1/1995

Douglas Godfrey and W.R. Herguth

Practical Applications Column, TLT
more >>
 
Fatigue Life Performance Comparisons of Tapered Roller Bearings with Debris-Damaged Raceways
9/1/1995

Technical Paper
more >>
 
The Mechanism of Copper Corrosion Inhibition by Thiadiazole Derivatives
4/1/1995

Yong-Hong Luo, Bo-Yu Zhong and Jing-Cheng Zhang

Archived Article, Lubrication Engineering (LE)

1,3,4-thiadiazole bisdisulfides inhibit copper corrions by active sulfur in lubricating oils. They react with active sulfur to yield inactive trisulfides as determined by Roman spectroscopy and Mass spectroscopy (MS). The thiadiazole bisdisulfide also reacts to form a protective film on the surface of a copper strip. Surface analytical techniques applied to the copper surface show that an organic film if formed chemically, in which the thiadiaziole ring remains.
more >>
 
Multivariate FTIR Analysis of Aluminum Cold Rolling Coolants
3/1/1995

William G. Bucsi

Archived Article, Lubrication Engineering (LE)
more >>
 
Starting from Scratch
1/1/1995

Fred Litt

Practical Applications Column, TLT
more >>
 
Oil-Mist Lubrication of High-Temperature Paper Machine Bearings
7/1/1994

Technical Paper
more >>
 
Biostatic Fluids, Friendly Bacteria and other Myths in Metalworking Microbiology
4/1/1993

Rossmore, Harold

Technical Paper
more >>
 
The Chemistry of Sulfonates as MWF Additives
1/1/1993

Cahoon, J.M., Hong, H., Riga, A.T., Vinci, J.N.

Technical Paper
more >>
 
Minimum Load in Ball Bearings – The Effect of Reduced Lubricant Supply
6/1/1992

Technical Paper
more >>
 
Engine Lubricant Additives: What They Are and How They Function
5/1/1992

T. Liston

Featured Articles
more >>
 
Evaluation of Overbased Sulfonates as Extreme-Pressure Additives in MWFs
5/1/1992

Hong, H., Riga, A.T., Cahoon, J.M., Vinci, J.N.

Technical Paper
more >>
 
Toxicity of MWFs: Myths and Reality - A Chemist's Perspective
1/1/1992

Lucke, W.E.

Technical Paper
more >>
 
Elastohydrodynamic Grease Lubrication Theory and Numerical Solution in Line Contacts
10/1/1991

Jun Cheng

Technical Paper
more >>
 
Metalworking Fluid Additives for Waste Minimization
6/1/1990

Childers, J.C., Huang, S., Romba, M.

Technical Paper
more >>
 
Metalworking Fluids - A Geographical Industry Analysis
9/1/1989

Childers, Jean C.

Technical Paper
more >>
 
Field Evaluation of Octhilinone as a Fungicide for MWFs
7/1/1989

Law, Andrew B.

Technical Paper
more >>
 
Biocide Usage in Metalworking Fluids: The Effect of Treatment Patterns on Efficacy
4/1/1989

Leder, Jonathan

Technical Paper
more >>
 
Allowable Surface Durability in Grease Lubricated Gears
12/1/1987

Keigo Fukunaga

Technical Paper
more >>
 
Diagnosis of Deterioration of Lithium Greases Used in Rolling-Element Bearings by X-ray Diffractrometry
7/1/1987

Har Prashad

Technical Paper
more >>
 
Chemical Analysis of Hydrocarbon Grease from Spin Bearing Tests
10/1/1982

D.J. Carre, R. Bauer and P.D. Fleischauer

Technical Paper
more >>
 
Tribology: The Science of Combating Wear
1/4/1981

William A. Glaeser

Practical Applications Column, TLT
more >>
 
Film Thickness of Grease in Rolling Contacts
8/1/1980

J.M. Palacios, A. Cameron, and L. Arizmendi

Technical Paper
more >>
 
The Role of Tribology in Energy Conservation
11/1/1979

Pinkus, Oscar & Donald F. Wilcock

Technical Paper
more >>
 
Elastohydrodynamic Lubrication of Grease-Lubricated Rolling Bearings
10/1/1978

H.C. Muennich and H.J.R. Gloeckner

Technical Paper
more >>
 
Elastohydrodynamic Lubrication With Herschel-Bulkley Model Greases
5/1/1972

James J. Kauzlarich and J.A. Greenwood

Technical Paper
more >>
 
Deuterium Substituted Synthetic Hydrocarbon Grease
1/1/1970

A.A. Conte, Jr., N.D. Rebuck, and V. Novielli

Technical Paper
more >>
 
Friction of Greases and Grease Components during Boundary Lubrication
10/1/1963

Douglas Godfrey

Technical Paper
more >>
 
Calculated Performance of Greases in Journal Bearings
2/1/1963

H.H. Horowitz and F.E. Steidler

Technical Paper
more >>
 
Development and Evaluation of Greases for High Temperature—High Speed Applications
1/1/1963

P.R. McCarthy

Technical Paper
more >>
 
Antiwear and Extreme Pressure Additives for Greases
4/1/1960

S.F. Calhoun

Technical Paper
more >>
 
Flow Properties of Lithium Stearate-Oil Model Greases as Functions of Soap Concentration and Temperature
4/1/1959

Walter H. Bauer, Alfred P. Finkelstein and Stephen E. Wiberley

Technical Paper
more >>
 
A Dynamic Oxidation Test to Evaluate Grease Performance at High Temperatures
5/1/1957

Henry E. Mahncke and David J. Boes

Technical Paper
more >>
 
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