Strategic development of non-palladium hydrogen permeation alloys

被引：3

作者：

Ishikawa, Kazuhiro ^{[1
]}

Aoki, Kiyoshi ^{[1
]}

机构：

[1] Kitami Inst Technol, Dept Mat Sci, Kitami, Hokkaido 0908507, Japan

来源：

JOURNAL OF THE JAPAN INSTITUTE OF METALS | 2007年 / 71卷 / 10期

关键词：

non-Pd alloy; hydrogen permeation; two-phase alloy; hydrogen embrittlement; microstructural controlling; PERMEABILITY; MICROSTRUCTURES;

D O I：

10.2320/jinstmet.71.845

中图分类号：

TF [冶金工业];

学科分类号：

0806 ;

摘要：

Palladium (Pd) and its alloys are industrially used for separation and purification of hydrogen gas. However, Pd is too expensive and a rare natural resource, so that the development of non-Pd based hydrogen permeation alloys is strongly desired. The present authors have found out that high hydrogen permeability (Phi) is compatible with resistance against the hydrogen embrittlement in the Nb-TiNi alloys consisting of the bcc-(Nb, Ti) and the B2-TiNi phases. The value of Phi for Nb40Ti30Ni3O alloy, for example, is slightly higher than that of pure Pd. Then, in this paper, the possibility of substitution of these alloys for the Pd based hydrogen permeation alloys is discussed based on the experimental data, the prices of the metals and so on.

引用

页码：845 / 849

页数：5

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