What is tribology?
Tribology is the study of science and engineering of interacting surfaces in relative motion. It includes the study and application of the principles of friction, lubrication and wear. Tribology is a branch of mechanical engineering and materials science.

Tribology’s economic and commercial impact is vast. The science reduces energy use, lowers the cost of maintenance and replacement, develops new technology, and solves resource problems, such as the lack of clean water. Proper tribological procedures save an estimated 1.3% to 1.6% of a nation’s gross domestic product—a savings of hundreds of billions of dollars (U.S. currency) in larger countries. Virtually every nation has realized it cannot afford to overlook the economic, industrial, and commercial advantages of tribology. Consequently, tribology is a science that is constantly being advanced by thousands of researchers around the world. Lubrication engineering is the practical application of that science, generally in the development of lubricants and their proper usage and maintenance. 

What is STLE? 

STLE, one of the largest professional societies in the field, serves 15,000 industry professionals worldwide.

To advance the science of tribology and the practice of lubrication engineering in order to foster innovation, improve the performance of equipment and products, conserve resources and protect the environment.

Online webinars, education courses and professional certification programs offer opportunities for continuing education to enhance your career and create value for your company.


STLE organizes, supports, co-sponsors and hosts meetings to provide the tribology and lubrication communities an opportunity to network, exchange ideas and information.

Educating technical professionals to compete in the global business environment is STLE's core mission of serving as a trusted provider of education and a workforce development partner.

STEM programs, scholarships and student outreach programs are a cornerstone to communicating the value of tribological innovations to the next generation of scientists and engineers.

Check out what's inside the September TLT

In the Spotlight

Are synthetic chemical markers needed in lubricants?
(posted on August 15, 2017)
Lube suppliers are using chemicals, dyes DNA and other markers to prove the authenticity of their products.
Read More >

The answer, my friend, is blowing in the wind (posted on August 15, 2017)
But generating energy from this natural resource will take more than a clever set of lyrics. Read More >
Tribotools? Tribocleansers? Triboapparel? (posted on August 15, 2017)
This important prefix to our industry might soon be used in everyday words. Read More >

Component Wear (posted August 15, 2017)
Please take a moment to answer our short survey about component wear? The results will be the basis for an article in the October issue of TLT. Take the survey >


Personalize Your Education. Advance Your Career. 
STLE Learning Pathways is a new online resource library for lubrication industry professionals to help identify, align and target their education and career development needs with access to technical articles, courses, webinars and books that will help them better serve their customers and employers. 
Learn More >

Foundations of Lubrication Engineering Course 
Registration is now open for STLE's Foundations of Lubrication Engineering course on Sept. 13 in Indianapolis. This new one-day course covers the first group of key subject areas in our Lubrication Specialist Learning Pathway. The course provides a valuable educational resource for industry professionals. Space is Limited! Register today!


Tribology Opportunities for Enhancing America's Energy Efficiency 
The Tribology Opportunities for Enhancing America's Energy Efficiency Report, funded by the U.S. Department of Energy's Advanced Research Projects Agency-Energy (ARPA-E), summarizes the results from a workshop STLE hosted at the 2016 Annual Meeting in Las Vegas. The purpose of the workshop was to explore opportunities in advanced tribological science and engineering of energy technologies across a wide range of practical application sectors. You'll find the results of these efforts in the report. Order your free copy >

Trends in Tribology and Lubrication Engineering: Industry Leader Predictions Report

The Trends in Tribology and Lubrication Engineering: Industry Leader Predictions Report evaluates the impact of changes in industry, technology and the economy on the field. The 20-page report is based on a year-long study of nearly 1,000 industry experts surveyed with the goal of tapping into their collective wisdom and insight and drawing conclusions about the future of tribology and lubrication engineering. 
Order your free copy >


Submit your Nominations for 2018 STLE Fellow Candidates
(July 31, 2017)

Any current STLE member may propose any other STLE member for Fellow Membership by submitting a completed Proposal for Fellow nomination form to the Society. Please note nominations restrictions apply. The deadline for Fellow nominations is Sept. 30, 2017.

2017-2018 Presidential Awards Program Applications Now Open
(July 31, 2017)

STLE is accepting applications for the Society's two academic awards offered through the Presidential Award Program: The E. Richard Booser Scholarship for undergraduate students and The Elmer E. Klaus Fellowship for graduate students. Applications are being accepted now through Dec. 1, 2017.

STLE Introduces Foundations of Lubrication Engineering Course
(July 13, 2017)

STLE offers new Foundations of Lubrication Engineering Course on Sept. 13 in Indianapolis covering key subject areas in the society's Learning Pathways for lubrication industry professionals.

STLE Launches New Learning Pathways Program

(June 2, 2017)

STLE has announced the launch of its new online feature, the Learning Pathways. The STLE Learning Pathways is an online resource library for lubrication industry professionals to help identify, align and target their educational needs. Click here to explore the Learning Pathways.

Upcoming Events

STLE Certification Exam
Wichita, KS | Aug. 24

STLE Foundations of Lubrication Engineering Course

Indianapolis, IN | Sept. 13

6th World Tribology Congress
Beijing, China | Sept. 17-22

STLE Certification Exam
Middleburg Heights, OH | Sept. 27

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