11412 弾性流体潤滑下におけるコーティング膜の強度評価と設計指針(コーティング膜のトライボロジー,OS.8 コーティング膜のトライボロジー,学術講演)

概要

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In recent years, the techniques improving sliding performances have progressed by using coated films possessing superior tribological properties, to reduce the failures of the mechanical elements. Those techniques are often used under severe conditions such as elastohydrodynamic lubrication (EHL). In this paper, numerical three-dimensional analysis of the von Mises stress applied into the coated film and substrate under EHL condition was performed with a range of coated film thickness and elastic properties. The strength of coated film as one of those techniques was evaluated numerically, resulting in an optimum design of coated film. As a result, coated films with a larger value of thickness and a smaller modulus of elasticity than that of substrate are preferable.
社団法人日本機械学会の論文
2008-03-13