Enhanced age hardening response and creep resistance of Mg-Gd alloys containing Zn

被引：399
|
作者：
Nie, JF [1 ]
Gao, X [1 ]
Zhu, SM [1 ]
机构：
[1] Monash Univ, Dept Mat Engn, Clayton, Vic 3800, Australia
来源：
SCRIPTA MATERIALIA | 2005年 / 53卷 / 09期
基金：
澳大利亚研究理事会;
关键词：
magnesium alloys; precipitation hardening; creep resistance; Mg-Gd-Zn-Zr;
D O I：
10.1016/j.scriptamat.2005.07.004
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Mg-6Gd-0.6Zr (wt.%) alloy exhibits little age hardening during isothermal ageing treatments and has low creep strengths. Additions of 1-2 wt.% Zn to this alloy significantly enhance the age hardening response and the creep strength. The remarkable improvement in strength and creep resistance is associated with a uniform and dense distribution of basal precipitate plates that are not observed in the Zn-free alloy. (c) 2005 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
引用
收藏
页码：1049 / 1053
页数：5
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