研究开发了一种喷射成形金属基复合材料制备新技术———熔铸－ 原位反应喷射成形技术。该技术的突出优点是： 解决了颗粒损失和颗粒在合金基体中分布不均匀的问题； 合金的熔炼、颗粒的生成以及喷射成形金属基复合材料的制备同步进行， 明显缩短了复合材料的制备工艺流程， 降低了材料的制备成本。利用该技术制备了３ ％ ＴｉＣ／Ａｌ 复合材料。研究表明， ＴｉＣ 颗粒在铝基体中分布均匀， 制备的３ ％ ＴｉＣ／Ａｌ 复合材料组织致密 Research and development of a new technology for injection molding of metal matrix composites --- casting - in situ reaction jet forming technology. The outstanding advantages of this technology are: to solve the problem of particle loss and uneven distribution of particles in the alloy matrix; the smelting of the alloy, the generation of the particles and the preparation of the spray-formed metal matrix composite material are carried out synchronously, which obviously shortens the preparation process of the composite material Process, reducing the material preparation costs. The technology was used to prepare 3% TiC / Al composites. The results show that the TiC particles are uniformly distributed in the aluminum matrix and the prepared 3% TiC / Al composites are densely packed