采用熔盐法在低密度炭/炭(C/C)坯体内孔表面制备了Mo2C涂层,然后通过无压熔渗制备了C/C-Cu复合材料,研究了C/C-Cu复合材料的组织结构及载流摩擦磨损性能.结果表明:熔融Cu可自发渗入制备了Mo2C内涂层的C/C坯体,复合材料中Cu相与C/C坯体形成相互贯穿的连通网络结构,Mo2C涂层与Cu和热解炭(PyC)间均有良好的界面结合,反应生成Mo2C过程中的催化石墨化及应力石墨化共同作用使C/C-Cu复合材料中Mo2C涂层附近PyC的有序度提高.随载荷增大,C/C-Cu复合材料的摩擦系数逐渐降低,体积磨损率增大,而对偶的质量损失逐渐降低;载荷较大时材料磨损表面被摩擦膜覆盖的面积增大,但因粘着磨损摩擦膜的粗糙程度提高.材料磨损过程中还发生了氧化磨损,且载荷增大磨损表面O含量提高.
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