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Tribology & Lubrication Technology
September 2025


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FEATURES

JOURNAL RESEARCH (STLE MEMBER BONUS CONTENT)
Tribology Letters and STLE—a long and fruitful partnership
The founding editors of Tribology Letters reflect on the journal’s history as it celebrates 30 years of publishing. 

20 MINUTES
20 Minutes With Wenyang Zhang
This senior staff engineer, Tribology & Oil System Engineering, with Tesla, Inc. discusses electric vehicle lubrication and encouraging student tribologists.

20 MINUTES 
20 Minutes With Eberhard Bock
This retiring vice president of advanced product research for Freudenberg Sealing Technologies discusses sealing technology and key challenges.

TECH BEAT SPECIAL REPORT

Multifunctional additives: Provide flexibility to formulators
These may reduce development time and help formulators work with additives that can provide several beneficial characteristics to their products.

MARKET TRENDS

Double-digit growth in the global biolubricant market prediction
Biolubricant market will grow over 20% faster than wider markets over the next 10 years as regulation and sustainability remain a top focus worldwide.

LUBRICATION FUNDAMENTALS

Field study
Contact forces are important for tribology, but physicists must rely on fields to explain gravity and electromagnetics.

WEBINAR

Ionic liquids as additives for environmentally acceptable lubricants
Recent research demonstrates the potential of high-efficiency, low-toxicity ionic liquids to supplement or replace conventional friction-reducing and antiwear additives for environmentally acceptable lubricants.
 

FEATURE ARTICLE

Environmentally acceptable lubricants
Lubricant users are navigating the changing product landscape for a cleaner future.

SOUNDING BOARD 

Additives
Readers share their insights on renewable and biodegradable additives.

COLUMNS


PUBLISHER'S PEN                                                     

Robert Erck Presentation Award


PRESIDENT’S REPORT

STLE membership demographics


FROM THE EDITOR

Biobased solutions can be a win-win-win option

HEADQUARTERS REPORT

Exploring e-mobility innovation

CAREER COACH

Pros and cons of hiring early, middle and late careerists

WORLDWIDE

De-icing and anti-icing