Observation of {1121} twinning in a Mg-based alloy

被引：48
|
作者：
Stanford, N. [1 ]
机构：
[1] Deakin Univ, Ctr Mat & Fibre Innovat, Geelong, Vic 3217, Australia
来源：
PHILOSOPHICAL MAGAZINE LETTERS | 2008年 / 88卷 / 05期
基金：
澳大利亚研究理事会;
关键词：
magnesium alloys; precipitation; deformation twinning; WE54;
D O I：
10.1080/09500830802070793
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The magnesium alloy Mg-5%Y-2%Nd-2%RE-0.5Zr, known as WE54, was heat treated to produce different particle dispersions. Specimens were then compressed to a strain of 8%, and this resulted in prolific mechanical twinning. EBSD analysis revealed that {1121} twins were operative in this alloy, a twinning mode not reported before in magnesium alloys. Activation of this twinning mode is ascribed to the presence of alloying elements in solution. Removal of alloying elements from solution by precipitation treatments completely inhibited this twin mode.
引用
收藏
页码：379 / 386
页数：8
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