Mg-Zn-Gd准晶增强AZ31镁基复合材料的摩擦磨损性能

中国有色金属学报, 2016, 26(4): 732-738.

Mg-Zn-Gd准晶增强AZ31镁基复合材料的摩擦磨损性能

李淑波 ^1, , 吴海荣 ^2, , 王朝辉 ^3, , 刘轲 ^4, , 杜文博 ^5,

1.北京工业大学材料科学与工程学院,北京,100124

2.北京工业大学材料科学与工程学院,北京,100124

3.北京工业大学材料科学与工程学院,北京,100124

4.北京工业大学材料科学与工程学院,北京,100124

5.北京工业大学材料科学与工程学院,北京,100124

基金项目: 国家自然科学基金资助项目(51101002) 北京市青年拔尖人才培育计划资助项目(311000543115002)Project(51101002) supported by the National Natural Science Foundation of China Project (311000543115002) supported by the Young Talents Plan of Beijing Municipal Commission of Education,China

关键词： Mg-Zn-Gd准晶 , 复合材料 , 反复塑性变形 , 磨损

Friction and wear properties of AZ31 based composites reinforced with Mg-Zn-Gd icosahedral quasicrystal

Keywords： Mg-Zn-Gd , icosahedral , quasicrystal , composite

以Mg-Zn-Gd准晶中间合金为增强相,AZ31镁合金为基体合金,采用多次循环塑性变形技术制各准晶增强镁基复合材料,并在低载荷条件下对合金和复合材料进行耐磨性能研究.结果表明:当变形次数为250次时,准晶中间合金含量为10％(质量分数)的复合材料中第二相分布最为均匀;AZ31镁合金和复合材料的摩擦因数均随载荷的增加而略有降低;高热稳定性及高硬度准晶的加入有效提高复合材料的耐磨性能.

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