Comparison of hydrogen storage characteristics between as-cast and melt-spun TiCr1.1V0.5Fe0.1Mn0.1 alloys

被引：10

作者：

Huang, TZ ^{[1
]}

Wu, Z ^{[1
]}

Feng, SL ^{[1
]}

Xia, BJ ^{[1
]}

Xu, NX ^{[1
]}

机构：

[1] Chinese Acad Sci, Shanghai Inst Microsyst & Informat Technol, Shanghai 200050, Peoples R China

来源：

MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 2005年 / 390卷 / 1-2期

关键词：

hydrogen storage materials; gas-solid reactions; X-ray diffraction;

D O I：

10.1016/j.msea.2004.08.023

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Hydrogen storage characteristics of as-cast and melt-spun TiCr1.1V0.5Fe0.1Mn0.1 alloys were investigated by pressure-composition-temperature (PCT) tests, X-ray diffraction (XRD) and scanning electron microscopy (SEM). XRD showed that both the as-cast and the melt-spun alloys were similarly consisted of V based BCC phase and Ti1.07Cr1.93 phase. However, PCT tests showed that the melt-spun alloy, with larger hysteresis between hydrogen absorption and desorption, had higher hydrogen storage capacity than the as-cast alloy. More interestingly, the phase compositions of the two fully hydrogenated alloys were entirely different. The as-cast and the melt-spun alloys should have different atomic motion mechanisms during the course of hydrogenation. (C) 2004 Elsevier B.V. All rights reserved.

引用

页码：362 / 365

页数：4

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