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Tribology and Lubrication Lab
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A tribology lab that explores the mechanisms of friction and lubrication.
AboutAbout the lab
Tackling problems of friction, wear, and lubrication
The Tribology Lab specializes in tribology, the field that deals with problems of friction, wear, and lubrication.
In collaboration with universities, research institutes, and companies in Japan and abroad, the lab works on everything from basic research into phenomena occurring at sliding surfaces to solving practical problems.
The lab also holds "Tribology Discussion Meetings" that invite outside speakers to present topics.
It welcomes motivated students and prospective postdoctoral researchers, both from inside and outside the university.
Key terms
- Tribology
- The field that deals with problems of friction, wear, and lubrication
- Elastohydrodynamic lubrication
- A form of lubrication in which contacting surfaces deform elastically while being separated by a lubricant film
- Seizure
- Severe damage to sliding surfaces that impedes their motion
- Surface texture
- A microscopic pattern deliberately created on a sliding surface
NewsLab news
View More ↗ResearchResearch themes
The lab works on both fundamental questions that explore phenomena at sliding surfaces and applied questions that solve practical problems. Its listed themes include elastohydrodynamic lubrication, microtextures, in situ observation of sliding surfaces, and tribological properties in hydrogen environments.
*Illustrative imageMicrotextures and Lubricant Films
The lab investigates how microtextures on sliding surfaces help form a lubricant film. It also lists as a research theme how textures can improve lubrication performance under conditions of insufficient oil.
*Illustrative imageIn Situ Observation of Seizure at Sliding Surfaces
The lab studies the phenomenon of seizure at sliding surfaces by observing it in situ while the surfaces are sliding. Keywords listed include seizure, wear, and temperature.
*Illustrative imageRheological Properties under Elastohydrodynamic Lubrication
The lab investigates the rheological properties of lubricant films under elastohydrodynamic lubrication conditions. It also lists as research themes the measurement of temperature at sliding surfaces and the unusual oil film shapes that appear at high slide-to-roll ratios.
*Illustrative imageTribological Properties in Hydrogen Environments
The lab investigates tribological properties such as friction and wear in hydrogen environments. Keywords listed on its top page include hydrogen, purity, and impurities.
MembersFaculty
The Tribology Lab consists of faculty members, technical staff, a Project Professor, research fellows, technical staff, administrative assistants, and doctoral, master's, and undergraduate students.As of 2025
- ProfessorKazuyuki Yagi
- Associate ProfessorShohei Kawada
- Assistant ProfessorHiromasa Tanaka
VoicesStudent voices
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “Zeller + Gmelin - Drylube E1 Hotmelt Lubricant” Sung-Min Wi (Sungminwi) / CC BY 4.0 (cropped)
- Microtextures and Lubricant Films: “Surface Texture 001” Mitchfeatherston / CC BY-SA 3.0 (cropped)
- In Situ Observation of Seizure at Sliding Surfaces: “Metal Work Sparks” Aryan Patidar / CC BY 4.0 (cropped)
- Rheological Properties under Elastohydrodynamic Lubrication: “Palm oil in a white bowl” Zmu'az4Z / CC BY 4.0 (cropped)
- Tribological Properties in Hydrogen Environments: “Friction surface microstructure” Colinvella / CC BY-SA 3.0 (cropped)
- Related lab (Polymer Materials Tribology Lab): “Friction between surfaces” CaoHao / CC BY-SA 4.0 (cropped)
- Related lab (Hydrogen Equipment Tribology Lab): “Rolling-element bearing (numbered)” Niabot / CC BY-SA 3.0 (cropped)
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