铸态Al-4.5Cu/TiB2复合材料组织和性能的研究
, PP. 76-80
Keywords: 金属基复合材料,原位反应,铝,TiB2
Abstract:
提出一种新型的原位反应合成工艺——熔体反应法,以TiO2、H3BO3、Na3AlF6和Al-Cu合金为原材料,采用熔体反应法制备了低成本的内生颗粒增强Al-4.5Cu/TiB2复合材料。TiB2颗粒细小,平均尺寸为0.93Lm,均匀分布于基体之中,与基体结合良好。当TiB2的含量为10vol%时,复合材料的抗拉强度为416.7MPa,屈服强度为316.9MPa,延伸率为3.3%。
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