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以金属氧化物粉末（或晶须）（CuOp、ZnOp、TiO2（w））和铝进行置换反应原理为基础，对挤压铸造法、超声振动反应法制备原位生长的铝基复合材料的工艺进行了探索。光学金相观察和X射线衍射分析表明：挤压铸造过程中，金属氧化物与铝几乎未发生反应，挤压后的复合材料经进一步热处理后，反应进行完全，得到Al2O3／Al复合材料；热处理后，复合材料的显微硬度值有明显的改变；超声振动反应中，在功率超声的作用下，TiO2（w）能在铝镁合金熔液中分散、润湿并发生反应，得到尺寸十分细小（＜1μm）的MgO、AgAl2O4和块状的TiAl3增强的铝基复合材料，细小氧化物颗粒强化区的显微硬度为210。
Based on the displacement reaction principle of metal oxide powder (or whisker) (CuOp, ZnOp, TiO2 (w)) and aluminum, the technology of extrusion casting and ultrasonic vibration reaction for preparing in-situ aluminum matrix composites Have explored. Optical metallographic observation and X-ray diffraction analysis showed that during the extrusion casting process, the metal oxide did not react with aluminum almost. After the extruded composite was further heat-treated, the reaction was completed and the Al2O3 / Al composite was obtained. The heat treatment , The microhardness of the composites changes obviously. In the ultrasonic vibration reaction, under the action of ultrasonic power, TiO2 (w) can be dispersed, wetted and reacted in the melt of aluminum-magnesium alloy, resulting in very small size (<1μm) MgO, AgAl2O4 and massive TiAl3 reinforced aluminum matrix composites. The micro-hardness of the fine oxide particle reinforced zone was 210.