In order to apply die - casting into particulates reinforced aluminum matrix composites , which would make this kind of material used more and more widely , the shaping properties of the composites in semi - solid were studied and complicated parts were die - cast with the composites in this paper 为了将压铸工艺与颗粒增强铝基复合材料很好地结合起来,扩大铝基复合材料的应用范围,本文进行了复合材料成型性能测试、复杂件的压铸试验,并研究了压铸件的微观组织、硬度和耐磨性能。