Improved ductility of aged Mg-9Al-1Zn alloy strip by electropulsing treatment

被引：36
|
作者：
Jiang, Yanbin [1 ,2 ]
Tang, Guoyi [1 ]
Shek, Chanhung [2 ]
Zhu, Yaohua [3 ]
Guan, Lei [1 ]
Wang, Shaonan [1 ]
Xu, Zhuohui [1 ]
机构：
[1] Tsinghua Univ, Adv Mat Inst, Grad Sch Shenzhen, Shenzhen 518055, Peoples R China
[2] City Univ Hong Kong, Dept Phys & Mat Sci, Kowloon Tong, Hong Kong, Peoples R China
[3] Hong Kong Polytech Univ, Dept Ind & Syst Engn, Kowloon, Hong Kong, Peoples R China
来源：
JOURNAL OF MATERIALS RESEARCH | 2009年 / 24卷 / 05期
基金：
中国国家自然科学基金;
关键词：
SEVERE PLASTIC-DEFORMATION; ELECTRIC-CURRENT; MG; MICROSTRUCTURE; METALS;
D O I：
10.1557/JMR.2009.0197
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The effect of electropulsing treatment (EPT) on the microstructure and mechanical properties of aged Mg-9Al-1Zn alloy strip was studied. EPT was found to accelerate tremendously the beta phase spheroidization in the aged Mg-9Al-1Zn alloy. This improved microstructure exhibits excellent mechanical properties, that is, increasing elongation to failure significantly without loss of tensile strength. The spheroidization of the beta phase during EPT was attributed to the reduction of the nucleation thermodynamic barrier and enhancement of atomic diffusion.
引用
收藏
页码：1810 / 1814
页数：5
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