选用纳米级Al2O3陶瓷颗粒作为增强相,采用超声波增强化学镀的方法完成对纳米Al2O3陶瓷颗粒金属铜的包覆,热压烧结成块材,并在特定的磨损条件下,对两种纳米Al2O3含量(10wt% Al2O3和30wt% Al2O3)的铜基复合材料进行摩擦磨损实验,探索纳米颗粒在陶瓷增强铜基复合材料中的增强和磨损机制.结果表明:复合材料在磨损过程中的磨损失重并不是单调增加的,而是存在两个阶段.Al2O3增强相颗粒的含量及分散性对复合材料的硬度及耐磨性有重要影响.
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