本文用真空烘烤封罐法对SiC 粒子进行预处理,在固液两相区内搅拌添加,制造了铸造Al 基复合材料。测试表明,该复合材料具有铸造性能好,力学性能高的优点,适用于采用压铸、石膏型精密铸造、金属型铸造等工艺方法成型的活塞、连杆等要求苛刻的零件。
After treated with vacuum-baking and tank-sealing,SiC particles were putinto the melt when its solid fration was about 0.4 to 0.5.Through stirring and otherprocessing,cast composite material was manufactured,and property tests about this materialwere made
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