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.

July 2017 TLT

In the Spotlight

Rolling element bearing steel
(posted on June 15, 2017)
While excellent bearing steels exist for nearly application, there is still room for improvement.
Read More >

Medical textiles and tribology (posted on June 15, 2017)
Research looks at the tribological aspects of drugs and other medial objects.
Read More >
I am a tribologist (posted on June 15, 2017)
Increasing awareness and interest in the tribology community was among STLE's many 2017 accomplishments. 
Read More >


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 >


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 >

Report on Emerging Issues and Trends

STLE’s Report on Emerging Issues and Trends, is the culmination of a multi-phase research effort to evaluate trends and predict future developments impacting tribology and lubrication engineering. The research encompasses the global opinions and experiences of nearly 1,000 tribologists and lubrication engineers who participated in the project as advisors, interview and focus group participants, and survey respondents. Order your free copy >


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.

Tribology Opportunities for Enhancing America’s Energy
(May 30, 2017)

In this 115-page report to the Advanced Research Projects Agency Energy (ARPA-E), STLE along with 31 industry experts explored opportunities in which tribological science and engineering improve energy technologies across a wide range of practical applications.

Representatives Ryan, Lipinski, and Doyle Introduce Resolution to Emphasize the Impact of Tribology on the U.S. Economy
(May 5, 2017)

Representatives Ryan, Lipinski, and Doyle introduced a resolution to emphasize the massive economic impact of tribology on the U.S. economy and highlight the need for further research and development into the field.

Upcoming Events

STLE Certification Exam
Atlanta, GA | June 30

Preston, UK | July 10-13

STLE Cleveland Section Golf Outing
Medina, OH | Aug. 14

STLE Certification Exam
Wichita, KS | Aug. 24

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

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