采用冷压烧结粉末冶金法制备了铜基受电靴滑块材料.测试了材料的力学性能,用SEM、电滑动磨损试验等方法分析了材料的断口形貌和载流摩擦磨损性能,探讨了其磨损机理.结果表明,该材料的拉伸断裂呈脆性断裂,在非载流条件下,试样的磨损量随着试验载荷的增加而增大；载流条件下,电流产生大量的电弧热促进了石墨的润滑作用；加载10A电流情况下,磨损量随滑动速度的增加先减小后增大；加载30A电流情况下,磨损量随滑动速度的加快而增大.摩擦系数在滑动初始阶段迅速升高,在低速、载流情况下,这一现象更为明显.电流的加入使平稳阶段的摩擦系数相对较低.
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