通过分析SiCp/Al基复合材料中第二相SiCp的含量、分布和尺寸对其性能的影响,深入地研究了微米、亚微米SiCp/Al复合材料的摩擦磨损特性,尤其是SiCp/Al复合材料磨损亚表层特性的影响.研究结果表明:复合材料的磨损是粘着磨损、微切削和剥层的共同作用,SiCp对材料粘着磨损有一定的抑制作用,且随着SiCp粒度和含量的增大,SiCp/Al基复合材料的耐磨性也随之增加;由于SiCp承担了部分载荷和表层存在着机械混合层,因此复合材料具有比其基体金属更高的耐磨性.
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