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Tribology Lab
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A tribology lab that deals with problems of friction, wear, and lubrication.
AboutAbout the lab
Exploring and clarifying phenomena that occur at friction surfaces.
The Tribology Lab specializes in tribology, the field that deals with problems of friction, wear, and lubrication.
Its work ranges from fundamental questions, exploring and clarifying the various phenomena that occur at friction surfaces, to applied questions aimed at solving practical problems.
The lab carries out its research in collaboration and cooperation with universities, research institutes, and companies in Japan and abroad.
The lab welcomes students who are motivated to do research, whether from within or outside the university.
Key terms
- Tribology
- The field that deals with problems of friction, wear, and lubrication. It covers everything from clarifying fundamental phenomena to solving practical problems.
- Texture
- A pattern of tiny irregularities made on a surface that undergoes friction. This lab studies its relationship to how lubricating films form.
- Seizure
- One kind of damage that occurs at friction surfaces. This lab observes the process of its occurrence while the surfaces are in operation.
- Elastohydrodynamic lubrication
- A state in which contacting surfaces deform elastically while a film of lubricating oil is formed between them.
NewsLab news
A paper by Professor Yagi and colleagues is published in Tribology International
A paper by Associate Professor Kawada and colleagues is published in IEEE Sensors Letters
Associate Professor Kawada receives the "2023 Japanese Society of Tribologists Paper Award"
ResearchResearch themes
This lab specializes in tribology, which deals with problems of friction, wear, and lubrication. It works in collaboration with universities, research institutes, and companies in Japan and abroad on topics ranging from fundamental questions that explore phenomena at friction surfaces to applied questions that solve practical problems.
*Illustrative imageTextured Surfaces and Lubricating Films
The lab studies how lubricating films form when tiny irregularities (microtextures) are made on a surface. It also covers ways of using them to improve lubrication performance under conditions of insufficient oil.
*Illustrative imageIn Situ Observation of Seizure
The lab studies how seizure occurs at friction surfaces by observing the process while the surfaces are in motion. It aims to clarify the phenomenon of seizure.
*Illustrative imageRheology of Oil Films
The lab studies the flow and deformation properties (rheological properties) of oil films under elastohydrodynamic lubrication. Controlling traction, the friction force under elastohydrodynamic lubrication, is also one of its themes.
*Illustrative imageFriction and Wear in Hydrogen Atmospheres
The lab studies friction and wear characteristics in hydrogen atmospheres. Hydrogen purity and impurities are also among the lab's keywords.
MembersFaculty
The members of the Tribology Lab consist of faculty members, technical staff members, a Project Professor, academic researchers, technicians, administrative assistants, and doctoral, master's, and undergraduate students.As of 2025
- ProfessorKazuyuki Yagi
- Associate ProfessorSyohei Kawada
- Assistant ProfessorHiroyoshi Tanaka
- Project ProfessorJoichi Sugimura
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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: “Second half of 20th century ball bearing 6203 C3 M7 by RKW” R. Henrik Nilsson / CC BY 4.0 (cropped)
- Textured Surfaces and Lubricating Films: “Laser structured surface ( )” ZEISS Microscopy from Germany / CC BY-SA 2.0 (cropped)
- In Situ Observation of Seizure: “NANOVEA T100 Advanced Pneumatic Tribometer” Materials Science 1 / CC BY-SA 4.0 (cropped)
- Rheology of Oil Films: “Rheology machine” Kaisa Rongas / CC BY-SA 4.0 (cropped)
- Friction and Wear in Hydrogen Atmospheres: “1970 or earlier ball bearing 330 V4 MTY Hoffmann Manufacturing Company England” R. Henrik Nilsson / CC BY 4.0 (cropped)
- Related lab (設計工学研究室): “Prosthesis 002” National Institute of Standards and Technology / Public domain (cropped)
- Related lab (燃料電池システム研究室): “Volvo FH fuel cell testing (2023)” Anders Jubilson / CC BY-SA 4.0 (cropped)
- Related lab (水素製造プロセス研究室): “Unterschiedliche Keramische Multikanalelemente” Peter in s / Public domain (cropped)
- Related lab (水素貯蔵システム研究室): “Eggshell” TeWeBs / CC BY-SA 4.0 (cropped)
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