Effect of iron on grain refinement of high-purity Mg-Al alloys

被引：96
|
作者：
Cao, P [1 ]
Qian, M [1 ]
StJohn, DH [1 ]
机构：
[1] Univ Queensland, Sch Engn, Div Mat, CRC Cast Met Mfg,CAST, Brisbane, Qld 4072, Australia
来源：
SCRIPTA MATERIALIA | 2004年 / 51卷 / 02期
关键词：
magnesium alloys; grain refinement; iron; carbon;
D O I：
10.1016/j.scriptamat.2004.03.039
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The effect of iron on the grain refinement of high-purity Mg-3%Al and Mg-91%Al alloys has been investigated using anhydrous FeCl3 as an iron additive at 750degreesC in carbon-free aluminium titanite crucibles. It was shown that grain refinement was readily achievable for both alloys. Fe- and Al-rich intermetallic particles were observed in many magnesium grains. (C) 2004 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：125 / 129
页数：5
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