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利用液态浸渗法制备了Al2O3颗粒/ZL101复合材料,并对其显微组织、摩擦磨损性能、摩擦磨损机制进行了分析。结果表明,液态浸渗法是一种优异的颗粒增强金属基复合材料(MMC)制备方法;Al2O3/ZL101复合材料的耐磨性远高于ZL101合金,适当的热处理可以改善复合材料及ZL101合金的耐磨性;Al2O3颗粒/ZL101复合材料的摩擦系数明显低于ZL101合金,热处理对复合材料及ZL101合金的摩擦系数均有影响;MMC的摩擦机理以氧化-磨粒磨损为主,MMC的摩擦力主要由基体与对磨环的粘着产生。
Al2O3 particles / ZL101 composites were prepared by liquid infiltration method, and their microstructure, friction and wear properties, friction and wear mechanism were analyzed. The results show that the liquid infiltration method is an excellent preparation method of particle reinforced metal matrix composites (MMC). The wear resistance of Al2O3 / ZL101 composite is much higher than that of ZL101 alloy. Appropriate heat treatment can improve the wear resistance of composites and ZL101 alloy The friction coefficient of Al2O3 particles / ZL101 composite is obviously lower than that of ZL101 alloy, and the heat treatment affects the friction coefficient of the composite and ZL101 alloy. The friction mechanism of MMC is mainly oxidation-abrasive wear, the friction of MMC Mainly by the substrate and the ring generated by the adhesion.