HYDROGEN TRAPPING IN AN AL-2.1 WT-PERCENT LI ALLOY

被引：6
|
作者：
IIJIMA, Y
YOSHIDA, S
SAITOH, H
机构：
[1] Department of Materials Science, Faculty of Engineering, Tohoku University, Sendai, 980, Aoba
来源：
JOURNAL OF MATERIALS SCIENCE | 1995年 / 30卷 / 05期
关键词：
D O I：
10.1007/BF00356133
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Hydrogen trapping in an Al-2.1 wt% Li alloy aged up to typical stages in the age-hardening curve, has been studied by measuring the tritium release rate after charging. The distribution of hydrogen in the aged alloy has been studied by tritium electron microautoradiography. It has been found that the coherent delta' precipitate and the incoherent delta precipitate act as a trapping site for hydrogen, while the semi-coherent delta' precipitate does not trap hydrogen. A dislocation has been found to be capable of trapping hydrogen, while hydrogen trapping by the grain boundary has not been observed.
引用
收藏
页码：1290 / 1294
页数：5
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