Microstructure and mechanical properties of an indirect-extruded Mg-8Sn-1Al-1Zn alloy

被引：71
|
作者：
Park, S. S. [1 ]
Tang, W. N. [1 ]
You, B. S. [1 ]
机构：
[1] KIMS, Chang Won 641831, South Korea
来源：
MATERIALS LETTERS | 2010年 / 64卷 / 01期
关键词：
Metals and alloys; Magnesium; Extrusion; Microstructure; MAGNESIUM ALLOYS; LOW-TEMPERATURE;
D O I：
10.1016/j.matlet.2009.09.062
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The microstructure and mechanical properties of an indirect-extruded Mg-8Sn-1Al-1Zn (TAZ811) alloy were investigated and compared with those of a commercial Mg-3Al-1Zn (AZ31) alloy. In the extruded condition, the TAZ811 alloy shows a much smaller grain size but a stronger basal texture than the AZ31 alloy. In addition, the TAZ811 alloy contains fine Mg(2)Sn particles in the microstructure, whereas the AZ31 alloy reveals relatively coarse and sparse Al-Mn particles. The TAZ811 alloy showed tensile and compressive strengthening as well as a reduction in yield asymmetry between tension and compression, which is mainly due to grain refinement and the presence of fine Mg(2)Sn particles. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码：31 / 34
页数：4
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