Effects of deformation and aging on microstructure and mechanical property of AZ91 magnesium alloy

被引：0
作者：
Wang Zhixiang
Xie Jianxin [1 ]
Liu Xuefeng
Li Jingyuan
Zhang Dingfei
Pan Fusheng
机构：
[1] Univ Sci & Technol Beijing, Sch Mat Sci & Engn, Beijing 100083, Peoples R China
[2] Jiangxi Univ Sci & Technol, Fac Mat & Chem Engn, Ganzhou 341000, Peoples R China
[3] Chongqing Univ, Sch Mat Sci & Engn, Chongqing 630044, Peoples R China
来源：
ACTA METALLURGICA SINICA | 2007年 / 43卷 / 09期
关键词：
magnesium alloy; hot extrusion; aging; microstructure; mechanical property;
D O I：
暂无
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
Microstructures and mechanical properties of AZ91 magnesium alloy after homogenization, hot extrusion and succedent aging are investigated. The results show that dynamic recrystallization occurred during extrusion at elevated temperatures of 320 and 380 V. Compared to the as-cast alloy, the microstructures of the extruded AZ91 alloy are refined, and the mechanical properties are enhanced remarkably. Succedent aging further improved the mechanical properties of the extruded AZ91 alloy. The ultimate tensile strength of AZ91 alloy extruded at 380 V and aged at 200 V for 10 h is about 357 MPa, and the elongation about 8%.
引用
收藏
页码：920 / 924
页数：5
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