Effect of Sr Addition on the Microstructure of Mg-6Zn-2Al-2Ca Alloy

被引：0
|
作者：
You Jun-hua [1 ]
Zhang Wei-gang [1 ]
Qiu Ke-qiang [1 ]
机构：
[1] Shenyang Univ Technol, Sch Mat Sci & Engn, Shenyang 110870, Peoples R China
来源：
CHEMICAL ENGINEERING AND MATERIAL PROPERTIES, PTS 1 AND 2 | 2012年 / 391-392卷
关键词：
Magnesium alloy; Alloying elements; Microstructure; MECHANICAL-PROPERTIES; MAGNESIUM; STRONTIUM; BEHAVIOR;
D O I：
10.4028/www.scientific.net/AMR.391-392.993
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
The effect of Sr addition on microstructure evolution of Mg-6Zn-2Al-2Ca-xSr (x=0.5, 1, 2, 3) alloys were investigated by using scanning electron microscope (SEM), X-ray diffraction (XRD) and optical microscope. The result show that Sr constitutional under cooling can significantly refined microstructure of alloys and formed rod-shaped Al4Sr phase in Mg-6Zn-2Al-2Ca alloys, while alloy microstructure turned to be coarse with further increase in Sr content. The addition of Sr slows down the precipitation power of Mg-6Zn-2Al-2Ca alloys and inhabits the beta phase continuous precipitation.
引用
收藏
页码：993 / 997
页数：5
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