Effect of Sn on the microstructure and mechanical properties of Mg-5Al-2Si alloys

被引：0
|
作者：
Lee, Sangwon [1 ]
Park, Bonggyu [1 ]
Park, Yongho [1 ]
Park, Ikmin [1 ]
机构：
[1] Department of Material Science and Engineering, Pusan National University 30, Busan 609-735, Korea, Republic of
来源：
Journal of Materials Science and Technology | 2008年 / 24卷 / 03期
关键词：
Aluminum alloys - Characterization - Creep - Grain boundaries - Mechanical properties - Microstructure - Precipitation (chemical) - Silicon alloys - Tensile strength - Tin;
D O I：
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中图分类号：
学科分类号：
摘要：
The effect of Sn addition on the microstructures and mechanical properties of Mg-5Al-2Si alloys was investigated with variations of Sn contents (3 and 6 wt pct). The microstructure of the alloy was characterized by the presence of Mg2Sn particles within matrix and at grain boundaries. As the Sn contents increased, yield and ultimate tensile strength were increased at room temperatures and 150°C. Creep properties were improved with the increasing amount of Sn due to the fine precipitation of Mg2Sn phases within grain during creep.
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页码：296 / 298
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