SLIDING MEMBER AND MANUFACTURING METHOD OF SLIDING MEMBER

PROBLEM TO BE SOLVED: To improve wear resistance of a sliding member.SOLUTION: Provided is a manufacturing method of a sliding member 100 in which a surface of an oxide film 120 covering a metal base material 110 serves as a sliding surface. The method includes: a dispersion step S110 of dispersing a plurality of hard particles 130 having higher hardness than the oxide film in the surface layer of the metal base material 110; an oxide film formation step S120 of forming an oxide film 120A on the surface of the metal base material 110 after the dispersion step S110; and an exposure step S130 of removing a part of the oxide film 120A to expose a part of the plurality of hard particles 130 on the surface of the oxide film 120.SELECTED DRAWING: Figure 1 【課題】摺動部材の耐摩耗性を向上させる。【解決手段】摺動部材１００の製造方法は、金属母材１１０を覆う酸化皮膜１２０の表面が摺動面となる摺動部材１００の製造方法であって、金属母材１１０の表面層に、酸化皮膜よりも硬度の高い複数の硬質粒子１３０を分散させる分散工程Ｓ１１０と、分散工程Ｓ１１０の後に、金属母材１１０の表面に酸化皮膜１２０Ａを生成する酸化皮膜生成工程Ｓ１２０と、酸化皮膜１２０Ａの一部を除去し、酸化皮膜１２０の表面に、複数の硬質粒子１３０のうちの一部を露出させる露出工程Ｓ１３０と、を備える。【選択図】図１