摘要:分析了利用原位反应和液态搅拌合成技术制备的Al3Ti-SiCp/Al-13Si复合材料的微观组织和增强相的微观结构,检测了该复合材料的力学性能,探讨了该复合材料的增强机理.研究结果表明:(1)T6态下该复合材料的室温、高温力学性能相对于基体材料分别提高了8%和20%,弹性模量提高了17%;(2)增强相主要是Al3Ti、SiCp;(3)增强机理是:细晶强化、颗粒增强和固溶时效强化.
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