颗粒增强铝基复合材料具有弹性模量高,耐磨性好,热膨胀系数低,导热性能好等优点,有可能替代铸铁、钢、铝合金、甚至钛合金。其应用前景广阔,目前已在汽车发动机活塞,气缸、传动轴和刹车盘等方面获得应用。 本文对这种复合材料的机械性能、物理性能、材料的成形特性和应用实例作了分析介绍。 Particle reinforced aluminum matrix composites have the advantages of high elastic modulus, good wear resistance, low thermal expansion coefficient and good thermal conductivity, which may replace cast iron, steel, aluminum alloy and even titanium alloy. Its broad application prospects, has been in the automotive engine pistons, cylinders, drive shafts and brake discs and other applications. In this paper, the mechanical properties, physical properties, forming characteristics and application examples of this composite material are introduced.