Microstructure and tensile properties of as extruded and as aged Mg-Al-Zn-Mn-Sn alloy

被引：19
|
作者：
Jiang, L. [1 ]
Zhang, D. [1 ,2 ]
Dong, Y. [1 ]
Guo, F. [1 ]
Hu, G. [1 ]
Xue, H. [1 ,2 ]
Pan, F. [1 ,2 ]
机构：
[1] Chongqing Univ, Coll Mat Sci & Engn, Chongqing 400045, Peoples R China
[2] Chongqing Univ, Natl Engn Res Ctr Magnesium Alloys, Chongqing 400044, Peoples R China
来源：
MATERIALS SCIENCE AND TECHNOLOGY | 2015年 / 31卷 / 09期
关键词：
Magnesium alloy; Age hardening; X-ray diffraction analysis; Precipitation kinetic; Mechanical property; STACKING-FAULT ENERGY; MAGNESIUM ALLOYS; DENSITY;
D O I：
10.1179/1743284714Y.0000000676
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The effect of 0-4 wt-% Sn addition on the microstructure and tensile properties of AZ80 alloys was investigated. The results indicated that Mg2Sn particles were barely formed during the extrusion process until the content of Sn is >2 wt-%. The dislocation density in alloys after extrusion declined with the addition of Sn due to the promotion of dynamic recrystallisation after adding Sn. In aging treatment, Mg17Al12 precipitates were promoted by Sn and the phases distributed uniformly at low density level of dislocation. The AZ80-2 wt-% Sn alloy possessed the excellent tensile properties in as extruded and as aged state.
引用
收藏
页码：1088 / 1095
页数：8
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