Deformation-induced hydrogen desorption from the surface oxide layer of 6061 aluminum alloy

被引：5

作者：

Zhou, Chengshuang ^{[1
]}

Chen, Xingyang ^{[1
]}

Zhang, Lin ^{[1
]}

Li, Xiao ^{[1
]}

机构：

[1] Zhejiang Univ Technol, Inst Mat Forming & Control Engn, Hangzhou 310014, Zhejiang, Peoples R China

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2014年 / 617卷

基金：

国家高技术研究发展计划(863计划); 中国国家自然科学基金;

关键词：

Hydrogen desorption; Aluminum alloy; Oxide; Surface; Deformation; VACUUM; BEHAVIOR;

D O I：

10.1016/j.jallcom.2014.08.127

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Hydrogen desorption from the surface oxide layer of 6061 aluminum alloy was investigated by combined tension and outgassing experiments. Outgassing corresponded to the deformation process, which initially released surface-adsorbed hydrogen. After elastic deformation, the as-received specimen released hydrogen because of the rupturing of the surface oxide layer. The hydrogen-charged specimen showed lower hydrogen concentration and hydrogen release rate than the as-received specimen. The second hydrogen release peak was due to the hydrogen accumulation at the interface between the oxide layer and matrix. The irregular sharp hydrogen release peaks resulted from the hydrogen bubble exposed to the surface during the rupture of the surface oxide layer. (C) 2014 Elsevier B.V. All rights reserved.

引用

页码：792 / 796

页数：5

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