Role of hydrogen in stress corrosion cracking of low-strength Al-Mg alloys

被引：0
|
作者：
Jones, RH [1 ]
Danielson, MJ [1 ]
机构：
[1] Pacific NW Natl Lab, Richland, WA 99352 USA
来源：
HYDROGEN EFFECTS ON MATERIAL BEHAVIOR AND CORROSION DEFORMATION INTERACTIONS | 2003年
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D O I：
暂无
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
There is continuing uncertainty regarding the relative roles of anodic dissolution and H induced crack growth in Al-Mg alloys containing discrete grain boundary beta phase (Al3Mg2) particles. Evidence exists for preferential anodic dissolution of the beta phase in Al; however, this dissolution cannot account for the total crack extension for material with discrete particles. There is also evidence for considerable H generation and uptake during corrosion of Al and A5083 but no direct evidence for H induced crack growth. The purpose of this paper is to review the data on crack growth of AA5083 and to identify the possible role of H.
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页码：861 / 871
页数：11
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