原位TiC粒子增强ZA43复合材料的制备及组织性能

1.湖南大学机械与汽车工程学院,长沙,410082

2.湖南大学机械与汽车工程学院,长沙,410082

3.湖南大学机械与汽车工程学院,长沙,410082

4.湖南大学机械与汽车工程学院,长沙,410082

5.湖南大学机械与汽车工程学院,长沙,410082

基金项目: 机械工业部科研项目(9686)

PREPARATION AND MICROSTRUCTURE AND MECHANICAL PROPERTIES OF IN SITU FORMED TiC PARTICULATE REINFORCED ZA43 COMPOSITES

以Ti、Al、C粉末为原料,采用接触反应法制备原位TiC颗粒增强的ZA43复合材料,直接原位反应生成0.2～1.0 μm的TiC颗粒,均布于基体合金中,材料具有优异的力学性能.研究了反应温度对反应产物的影响,探讨了TiC细化ZA43合金α′相的机理.

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