New useful function of hydrogen in materials

被引：6

作者：

Okada, Masuo ^{[1
,2
]}

Nakahigashi, Jun ^{[3
]}

Fujita, Asaya ^{[2
]}

Yamauchi, Miho ^{[4
]}

Kamegawa, Atsunori ^{[2
]}

机构：

[1] Hachinohe Inst Technol, Hachinohe, Aomori, Japan

[2] Tohoku Univ, Grad Sch Engn, Sendai, Miyagi 980, Japan

[3] Fukuyama Univ, Fac Engn, Fukuyama, Hiroshima 72902, Japan

[4] Kyushu Univ, I2CNER, Fukuoka 812, Japan

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2013年 / 580卷

关键词：

Useful hydrogen function in materials; Spinodal alloy; Cu-Ti alloys; Ti-V-Al alloys; Itinerant-electron metamagnetic transition; Ordered nanoalloy; COPPER-TITANIUM ALLOYS; CU-TI ALLOYS; METAMAGNETIC TRANSITION; MECHANICAL-PROPERTIES; MAGNETIC-PROPERTIES;

D O I：

10.1016/j.jallcom.2013.03.225

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：

Useful functions of hydrogen in materials are studied. (a) Simultaneous improvements of electrical conductivity and mechanical strength for Cu-3mass%Ti hydrogenated alloy were achieved. The hydrogenation reaction proceeds within the range of spinodal decomposition temperature, and then the tensile strength of the alloy was increased. (b) Hydrogen-treatment for a beta-rich alpha + beta type Ti-4.5Al-3V-2Mo-2Fe alloy yields the fine grain with the size of about 0.3 mu m. This alloy exhibited the high superplastic elongation of 10,600% at 923 K. (c) Pressure induced magnetic phase transition of hydrogenated La(FexSi1-x)(13) compounds was applied to magnetostrictive stress-sensor. (d) Ordering and Catalytic activity of CuPd nanoalloys are promoted by hydrogen treatment. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：S401 / S405

页数：5

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