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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
收藏
页码：S401 / S405
页数：5
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