New V-based alloys with high protium absorption and desorption capacity

被引：87

作者：

Kuriiwa, T ^{[1
]}

Tamura, T ^{[1
]}

Amemiya, T ^{[1
]}

Fuda, T ^{[1
]}

Kamegawa, A ^{[1
]}

Takamura, H ^{[1
]}

Okada, M ^{[1
]}

机构：

[1] Tohoku Univ, Grad Sch Engn, Dept Mat Sci, Aoba Ku 02, Sendai, Miyagi 9808579, Japan

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 1999年 / 293卷

关键词：

hydrogen storage alloy; V-based alloy; multi-phase alloy; heat treatment; C14 laves phase;

D O I：

10.1016/S0925-8388(99)00325-4

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 hydrogen absorption properties of V-Zr-Ti-M(M=Fe, Mn, Ni) alloys were examined in order to develop the alloys with high hydrogen capacity. It was found that the best composition among the studied alloys is the V-Zr-Ti-Ni system. A suitable amount of the vanadium in the V-Zr-Ti-Ni system was studied in correlation with its hydrogen, absorption properties, and turned out to be around 75 at.%V. Substitution with Zr improved the hydrogen absorption properties in forming the grain boundary network phases of C14 Laves phase. Heat treating the alloys (homogenize and quench) drastically improves the plateau region of PCT curves. Zr addition also improves the properties for V-Zr-Ti-Cr alloys. (C) 1999 Elsevier Science S.A. All rights reserved.

引用

页码：433 / 436

页数：4

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