采用超声搅拌铸造法制备SiC/A356复合材料,研究颗粒含量、载荷、转速对材料耐磨性的影响.结果表明,SiC/A356复合材料耐磨性显著优于基体,8％SiC/A356复合材料的耐磨性最好,是基体材料的2倍.SiC/A356和基体两种材料的磨损率均随着载荷和转速的增加而增大,其中基体的磨损率变化较为明显,但两种材料转速的磨损率曲线斜率远小于载荷对其的影响.在稳定摩擦磨损阶段,复合材料的摩擦因数大于基体合金材料.
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