Hydrogen solubility and permeability of Nb-W-Mo alloy membrane

被引:41
作者
Awakura, Y. [1 ]
Nambu, T. [2 ]
Matsumoto, Y. [3 ]
Yukawa, H. [1 ]
机构
[1] Nagoya Univ, Dept Mat Sci & Engn, Grad Sch Engn, Chikusa Ku, Aichi 4648603, Japan
[2] Suzuka Natl Coll Technol, Dept Mat Sci & Engn, Suzuka, Mie 5100294, Japan
[3] Oita Natl Coll Technol, Dept Mech Engn, Oita 8700152, Japan
关键词
Hydrogen permeable membrane; Nb-based alloy; Hydrogen solubility; Resistance to hydrogen embrittlement; Hydrogen permeability; PERMEATION CHARACTERISTICS; STRONG RESISTANCE; NIOBIUM METAL; EMBRITTLEMENT; DESIGN;
D O I
10.1016/j.jallcom.2010.10.133
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
The alloying effects of molybdenum on the hydrogen solubility, the resistance to hydrogen embrittlement and the hydrogen permeability are investigated for Nb-W-Mo system. It is found that the hydrogen solubility decreases by the addition of molybdenum into Nb-W alloy. As a result, the resistance to hydrogen embrittlement improves by reducing the hydrogen concentration in the alloy. It is demonstrated that Nb-5 mol%W-5 mol%Mo alloy possesses excellent hydrogen permeability without showing any hydrogen embrittlement when used under appropriate hydrogen permeation conditions, i.e., temperature and hydrogen pressures. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码:S877 / S880
页数:4
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