セラミックコーティング材の転がり-すべり接触変形解析

概要

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Friction and wear of the contact surfaces during rolling and sliding should be predicted precisely and then controlled well to develop high-technology in the industry. It is worth noting that recently, materials are coated with ceramics to decrease the damage sustained in rolling-sliding contact. However, the effect of coating with ceramics on wear has not been examined thoroughly. In this paper, an attempt is made to analyze the behavior of the inelastic deformation of S 20 C and SKD 11 coated with SiC during rolling and sliding under a contact pressure sufficient to cause yielding using a finite element method. The effect of ceramic coating on the deformation and the distribution of stresses and strains in rolling-sliaing contact is demonstrated from the viewpoint of the thickness of the ceramic coating layer and the strain hardening of the substrate material.