| 摘要 |
PURPOSE:To provide the sufficient abrasion resistance and seizureproofness by forming the Ti (Cx, Ny) film through ion plating onto the slidable outer peripheral surface. CONSTITUTION:The Ti (Cx, Ny) film is formed through ion plating at least onto the slidable outer peripheral surface of a piston ring. When, in this Ti (Cx, Ny), a partner cylinder member is obtained through metallizing, etc., and the attack performance for the piston ring is large, it is enough to be x>y, and in the reverse case, it is enough to be x>y, and the abrasion resistance and the seizureproofness of the piston ring and the partner cylinder can be improved.
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