Faculty of Engineering, Nihon University, Japan

Short Biography
PhD from Tohoku University in 1974. Professor and Head of Tribology Lab there in 1987 - 2007, and at Nihon University in 2007 - 2013. Honorary Researcher and Lecturer there at present. Member of Royal Swedish Academy of Engineering Sciences, Haute Distinction Honoris Causa of Ecole Centrale de Lyon (France), Emeritus Professor of Tohoku University (Japan) and Xi’an Jiaotong University (China). Recipient of Tribology Gold Medal (UK), Mayo D Hersey Award (ASME), STLE International Award, Japan Academy Award. 17 Tribology Chapter in Books. More than 70 of Invited international plenary and keynote talks. Published papers are more than 300.


Past, Present and Future of Tribology in Japan

Lubrication technology was rapidly developed during the time of Industrial revolution (1750~1850) in England and Europe. It was introduced to Japan after the opening of the country in 1867, and Japanese industries of tribo-materials, tribo-elements, and tribo-systems grew up quickly together with the growth of other heavy industries. Japanese Society of Lubrication Engineers (JSLE) was founded in 1956 when the Group of Lubrication and Wear was formed in IMechE. JSLE changed its name to Japanese Society of Tribologists (JAST) in 1989 when Japanese GNI exceeded that of USA. Through the period, Japanese bearing companies such as NSK and NTN formed the top group of bearing companies in the world.  JAST organized its 8th International Tribology Conference - Tokyo in 2015, 4th WTC – Kyoto in 2009 and 3rd Asiatrib – Kanazawa in 2006. The contribution to the science and technology of tribology in Japan gradually became obvious in the last 30 years. The ceramic ball bearings were first produced successfully by a Japanese company. The DLC coating method was quickly developed and introduced into various tribo-elements in Japan. The super high speed train, Shinkan-sen, continued to increase its speed with the advanced tribo-technologies. The concept of super lubricity was first introduced in Japan and attractive data have been reported.The future of tribology in Japan will be discussed with the recognition of such history of tribological achievements.



Institut Pprime, CNRS - Université de Poitiers, ISAE-ENSMA, France


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Michel Fillon received his Ph.D degree in Mechanical Engineering from University of Poitiers, France, in 1985. He is a CNRS Director of Research at the Pprime Institute. From 2002 to 2010, he has been Manager of the “Lubricated Contact Mechanics” team. His current research interests are both experimental and theoretical investigations of hydrodynamic journal and thrust bearings. He is a Fellow of ASME and of STLE. From 2006 to 2008, he was the Chair of Research Committee of ASME Tribology Division. He is a member of Board of Directors of STLE since 2016. He is also currently Editor-in-Chief of Tribology International. He is organizing the EDF/Pprime Workshop on Bearings since 2002.


Past, Present and Future of Hydrodynamic Lubrication 

Although the problems on Tribology have been known since millenniums, the studies on friction started only after the 16th century by the works of Leonardo da Vinci. Later on, the bases of the lubrication theory have been initiated by other famous researchers like Beauchamp Tower and Osborne Reynolds. The thermal effects in journal bearings have been known since 1854 with the works of Hirn, but it wasn’t until a century later, in 1962, that the thermohydrodynamic lubrication theory was presented by Dowson. Since this time, the thermal effects combined with the mechanical and thermal deformations of the bearing elements were of a great interest in hydrodynamic bearings operating in laminar and non-laminar regimes. Moreover, the mixed lubrication regime can be the result of downsizing in order to reduce power losses. During the last fifty years, the evolution of tilting-pad journal and thrust bearings has led to enhance their performance: these bearings are nowadays widely used in many applications. Nowadays, several ways of friction reduction in hydrodynamic bearings are investigated: low viscosity lubricants, composite or polymer materials and surface texturing.



Faculty of Engineering, University of Malaya, Malaysia


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