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Influence of particle size on microstructures and wear properties of SiCp reinforced Al matrix composite
Pages: 18-20
Year: Issue:  3
Journal: Ordnance Material Science and Engineering

Keyword:  半固态机械搅拌法SiC粒度SiCp/Al复合材料摩擦磨损性能;
Abstract: 采用半固态机械搅拌法制备不同粒度的SiC颗粒增强铝基复合材料,研究SiC粒度对复合材料的微观组织、硬度及耐磨性能的影响.结果表明,粒度为100 um时,复合材料中SiC颗粒分布均匀,没有明显的团聚现象,布氏硬度值最大,相对磨损率最小.其磨损机理是较软的铝基体对SiC颗粒起很好的支撑效果,使镶嵌在合金基体中耐磨的SiC颗粒对合金基体起到保护作用,减少粘着磨损的发生.
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