Patent ID: 6299425
Filing Date: 2001-10-09
Classification: F01C,Y10T

Abstract:
A member comprising:a main body having a sliding contact surface;an interlayer provided on said sliding contact surface of the main body;a hard carbon film provided on said interlayer;a mixed layer formed within a thickness region of said interlayer adjacent to the sliding contact surface thereof and containing carbon and a constituent element of the interlayer;said mixed layer having a carbon content gradient in its thickness direction so that a carbon content in a thickness portion thereof closer to an outer surface of the mixed layer is higher than in a thickness portion thereof remoter from the outer surface of the mixed layer; andwherein said mixed layer is formed by introducing the carbon into the thickness region of the interlayer adjacent to an outer surface of the interlayer, and said interlayer is formed of Si, Ti, Zr, Ge, Ru, Mo, W.