Improvement in creep property of a cast Mg-6Al-3Ca alloy by Mn addition

被引：50
|
作者：
Homma, T. [1 ]
Nakawaki, S. [1 ]
Kamado, S. [1 ]
机构：
[1] Nagaoka Univ Technol, Dept Mech Engn, Nagaoka, Niigata 9402188, Japan
来源：
SCRIPTA MATERIALIA | 2010年 / 63卷 / 12期
关键词：
Magnesium alloys; Creep; Transmission electron microscopy; HAADF;
D O I：
10.1016/j.scriptamat.2010.08.033
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The creep property in the Mg-6Al-3Ca alloy is improved by the addition of Mn. Spherical precipitates form after casting in 0.5Mn alloy. The number density and radius hardly change from the as-cast state. They are segregated to the interface of the planar Al2Ca phase, leading to strain fields around the particle. The precipitation of the Al2Ca phases and the spherical precipitates can significantly enhance the creep property. (C) 2010 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：1173 / 1176
页数：4
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