Effects of Surface Roughnessin Elastohydrodynamic Lubrication

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概要

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• The nominal film thiekness in the elastohydrodynamic lubrication (EHL) regime is of the same order of magnitude as the surface roughness of contacting bodies. Since the breakdown of EHL films seems to be associated with asperity interactions, a detailed description of local fluctuations of EHL fims and pressures caused by asperity interactions provides an important basis for a clearer understanding of the working perforrnance of machine elements, the causes of surface failures and methods for their prevention. In this review, why and how EHL films are influenced by the surface kinematic conditions and the orientation and shape of surface irregularities are discussed based mainly on the experimental facts using model asperities. The results described will provide a clue to solving EHL problems in the mixed regime between full fluid film and boundary lubrication.

• 一般社団法人日本機械学会の論文
• 1992-12-15

著者

• Kaneta Motohiro

  Department Of Mechanical Endineeririt Faculty Of Engineering Kyushu Institute Of Technology

関連論文

• Development of Grease Film Breakdown Observing Device
• Effects of Surface Roughnessin Elastohydrodynamic Lubrication

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