Hydrogen embrittlement of a V4Cr4Ti alloy

被引：0
|
作者：
Chen, JM [1 ]
Xu, Y [1 ]
Qiu, SY [1 ]
Muroga, T [1 ]
Deng, Y [1 ]
Xu, ZY [1 ]
机构：
[1] SW Inst Phys, Chengdu 610041, Peoples R China
来源：
MATERIALS FOR ADVANCED ENERGY SYSTEMS AND FISSION AND FUSION ENGINEERING, PROCEEDINGS | 2003年
关键词：
vanadium alloy; hydrogen embrittlement; J(1c); impact energy;
D O I：
10.1142/9789812705198_0051
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A V4Cr4Ti alloy (NIFS-Heat 2) has been studied on its hydrogen embrittlement behavior using tension test, impact test and J integral test. Hydrogen in the alloy got high up to 310wppm by an exposure in a hydrogen atmosphere. The alloy showed different sensitivities to the hydrogen embrittlement in the tests. Hydrogen induced hardening occurred which caused the slight loss in the ductility of the alloy before 215wppm hydrogen concentration in the tension test. However, the impact toughness, J(1c) decreased largely with the increasing hydrogen concentration, suggested that tension test is not a suitable method to be used to evaluate the hydrogen embrittlement of the alloy.
引用
收藏
页码：421 / 428
页数：8
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