Effects of specimen aspect ratio on the compressive properties of Mg alloy foam

被引：27
|
作者：
Xia, Xingchuan [1 ]
Zhao, Weimin [1 ]
Wei, Zhihao [1 ]
Wang, Zhiguo [1 ]
机构：
[1] Hebei Univ Technol, Sch Mat Sci & Engn, Tianjin 300130, Peoples R China
来源：
MATERIALS & DESIGN | 2012年 / 42卷
基金：
对外科技合作项目（国际科技项目）;
关键词：
MAGNESIUM FOAM; SG91A AL;
D O I：
10.1016/j.matdes.2012.05.011
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Closed-cell AZ31 Mg alloy foams were successfully prepared by melt-foaming method. The effects of specimen aspect ratio (the thickness/width ratio, AR) on the compressive properties of closed-cell Mg alloy foams were investigated systematically. The results showed that the length of stress-strain plateau stage extended and ideality energy absorption efficiency improved with the specimen AR increasing and the yield strength decreased. Specimens with the AR = 1.00 possess good combination of yield strength, plateau stage length and compressive stability when compressed under the experiment conditions. (c) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码：32 / 36
页数：5
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