Effect of holding temperature on semisolid microstructure of Mg2Si/Al composite

被引：36

作者：

Qin, Q. D. ^{[1
]}

Zhao, Y. G. ^{[1
]}

Liu, C. ^{[1
]}

Cong, P. J. ^{[1
]}

Zhou, W. ^{[1
]}

Liang, Y. H. ^{[1
]}

机构：

[1] Jilin Univ, Dept Mat Sci & Engn, Key Lab Automobile Mat, Minist Educ, Changchun 130025, Peoples R China

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2006年 / 416卷 / 1-2期

关键词：

aluminum; metal matrix composites; semisolid; microstructure;

D O I：

10.1016/j.jallcom.2005.08.057

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A semisolid microstructure of Mg2Si/Al composite is successfully achieved by isothermal heat treatment process, and the effects of holding temperature on semisolid microstructure of the composites are investigated. The result shows that, at the low heat treatment temperature, the morphology of primary Mg2Si particles are identified as irregular shape and alpha-Al grains exhibit elliptic and/or rosette type, and their sizes are non-uniform from 35 to 130 mu m and 41 to 191 mu m, respectively. With the increasing of treatment temperature, the morphologies of primary Mg2Si and a-Al grains change to spherical type, and their sizes decrease and become relatively uniform. (c) 2005 Elsevier B.V. All rights reserved.

引用

页码：143 / 147

页数：5

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