采用光学显微镜、万能材料试验机、X射线衍射仪、电子探针和扫描电镜等手段分析了Mg-6Al-xZn合金的显微组织和力学性能.结果表明:加入不同锌含量的Mg-6Al合金显微组织主要由α-Mg、β-Mg17Al12和τ-Mg32(Al,Zn)49相组成;随着锌含量的增加,合金中第二相的数量增多,晶粒逐渐细化;Mg-6Al-6Zn合金具有最高的室温抗拉强度和韧性,当锌含量超过6%后合金晶粒粗化,综合力学性能下降.
所属栏目
试验研究国家“973”计划资助项目(2007CB613700);甘肃省自然科学基金资助项目(3ZS062-B25-026)
收稿日期
2009/12/62010/5/13
作者单位
黄晓锋:兰州理工大学甘肃省有色金属新材料省部共建国家重点实验室, 兰州 730050
冯凯:兰州理工大学甘肃省有色金属新材料省部共建国家重点实验室, 兰州 730050
谢锐:兰州理工大学甘肃省有色金属新材料省部共建国家重点实验室, 兰州 730050
备注
黄晓锋(1971-),男,吉林白城人,副教授,博士.
引用该论文:
HUANG Xiao-feng,FENG Kai,XIE Rui.Effect of Zn on Microstructure and Mechanical Properties of Mg-6Al Alloy[J].Materials for mechancial engineering,2010,34(12):9～12
黄晓锋,冯凯,谢锐.锌对Mg-6Al合金显微组织和力学性能的影响[J].机械工程材料,2010,34(12):9～12
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