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Tribology & Lubrication Technology
April 2020

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This issue of the digital TLT is sponsored by The 2020 STLE Annual Meeting & Exhibition at www.stle.org.

FEATURES

COVER STORY
Group I base oils: Going, going, but nowhere close to gone
Lubricant manufacturers are developing Group I alternatives for today's ever-changing global base oils market.


FEATURE
More options than ever for condition monitoring
But dynamics are shifting for those who require oil analysis service--and those who provide it.


LUBRICATION FUNDAMENTALS
The fine art of bearings lubrication
Knowing which lubricant to use for the right application can maximize your equipment's service life.


20 MINUTES WITH
20 Minutes with Vasu Bala

Tiarco LLC' global technology and quality director discusses the challenges of designing and formulating additive systems for lubricants and greases.


TECH BEAT I 

3D printing of elastocaloric materials for refrigeration
Researchers developed a nickel-titanium elastocaloric material that exhibits improved performance due to minimization of hysteresis.

TECH BEAT II 

Stretchable batteries for wearable electronics
A monomer based on 2-ureido-4 pyrmidone was incorporated into a supramolecular lithium-ion conductor that can be used in stretchable batteries.

TECH BEAT III 

Clathrates: New type of superdiamond
The addition of boron stabilized the clathrate and made it easier to accommodate guest atoms.

SOUNDING BOARD 

Environmentally Acceptable Lubricants
What is the single greatest challenge to overcome in formulating environmentally acceptable lubricants (EALs)?


COLUMNS


PRESIDENT’S REPORT                                         

What happened to all of our experts?


HEADQUARTERS REPORT

How are we doing?


FROM THE EDITOR

Tilting pad bearing history

AUTOMOTIVE TRIBOLOGY

Rat race

CUTTING EDGE