为研究SiCP/Al-Fe-V-Si复合材料的热稳定性,对多层喷射沉积技术制备的SiC颗粒增强Al-Fe-V-Si合金经过不同温度下的热稳定性实验后进行了硬度检测,并对其显微组织进行了电镜观察.结果表明:随着基体合金材料中Fe含量的提高,复合材料的组织和力学性能具有更好的高温稳定性.添加SiC颗粒后,SiC颗粒向基体中注入Si,由于基体中Si浓度的提高,减慢了合金中第二相弥散粒子的粗化和分解,与未添加SiC颗粒的合金材料相比,添加SiC颗粒复合材料的组织和力学性能具有更好的高温稳定性.
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