Influence of Sb modification on microstructures and mechanical properties of Mg2Si/AM60 composites

被引：0
|
作者：
Yan Hong [1 ]
Hu Yong [2 ]
Wu Xiao-qian [1 ]
机构：
[1] Nanchang Univ, Inst Adv Forming & Mfg & Die & Mold, Nanchang 330031, Peoples R China
[2] E China Jiaotong Univ, Sch Mech & Elect Engn, Nanchang 330013, Peoples R China
来源：
TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA | 2010年 / 20卷
基金：
中国国家自然科学基金;
关键词：
Mg2Si; Sb modification; magnesium matrix composites; heterogeneous nucleation; mechanical property; AZ91 MAGNESIUM ALLOY; IN-SITU SYNTHESIS; DEFORMATION; MORPHOLOGY;
D O I：
暂无
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The refining effect and mechanism of Sb on Mg2Si and the microstructure of the matrix were investigated. The results indicate that there are Mg3Sb2 particles in the composites with the addition of Sb, and Mg3Sb2 can promote the formation of fine polygonal type Mg2Si by providing nucleation site. Meanwhile, the grain size of Sb modified alloy is finer than that of the matrix. The improved microstructure results in the improvement of mechanical properties. The ultimate tensile strength is increased by 12.2% with the addition of 0.8% Sb.
引用
收藏
页码：S411 / S415
页数：5
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