Stress corrosion cracking of several solution heat-treated Mg-X alloys

被引：38

作者：

Cao, Fuyong ^{[1
]}

Shi, Zhiming ^{[1
,2
]}

Song, Guang-Ling ^{[1
,3
]}

Liu, Ming ^{[4
]}

Dargusch, Matthew S. ^{[1
,2
]}

Atrens, Andrej ^{[1
]}

机构：

[1] Univ Queensland, Sch Mech & Min Engn, Mat Engn, Brisbane, Qld 4072, Australia

[2] Univ Queensland, Ctr Adv Mat Proc & Mfg AMPAM, Brisbane, Qld 4072, Australia

[3] Oak Ridge Natl Lab, Corros Sci & Technol, Oak Ridge, TN 37831 USA

[4] GM China Sci Lab, Shanghai 201206, Peoples R China

来源：

CORROSION SCIENCE | 2015年 / 96卷

基金：

澳大利亚研究理事会;

关键词：

Magnesium; SEM; Hydrogen embrittlement; Stress corrosion; MAGNESIUM ALLOYS; AL ALLOYS; HYDROGEN EMBRITTLEMENT; SCC; STEELS; PROPAGATION; MECHANISMS; INITIATION; WATER;

D O I：

10.1016/j.corsci.2015.04.010

中图分类号：

T [工业技术];

学科分类号：

120111 [工业工程];

摘要：

The stress corrosion cracking (SCC) behaviour of solution heat-treated as-cast Mg0.1Zr, Mg1Mn, Mg0.1Sr, Mg0.3Si, Mg5Sn, Mg5Zn and Mg0.3Ca in distilled water (DW) was studied using the linearly increasing stress test (LIST). SCC susceptibility was related to the stress rate for all the Mg-X alloys except for Mg0.1Sr. At similar to 7.0 x 10(-4) MPa s(-1), Mg0.3Si and Mg5Sn were immune to SCC; Mg0.1Zr, Mg1Mn and Mg0.1Sr suffered medium SCC; Mg5Zn and Mg0.3Ca suffered relatively more serious SCC. At similar to 7.0 x 10(-5) MPa s(-1), Mg5Zn and Mg0.3Ca suffered the most serious transgranular SCC, whilst the other Mg-X alloys suffered medium SCC. (C) 2015 Elsevier Ltd. All rights reserved.

引用

页码：121 / 132

页数：12

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