Effects of Si and Ce on the microstructure and hydrogen storage property of Ti26.5Cr20V45Fe8.5Ce0.5 alloy

被引：6

作者：

Mi Jing ^{[1
]}

Liu XiaoPeng ^{[1
]}

Li ZhiNian ^{[1
]}

Jiang LiJun ^{[1
]}

Huang Zhuo ^{[1
]}

Wang ShuMao ^{[1
]}

机构：

[1] Gen Res Inst NonFerrous Met, Energy Mat & Technol Res Inst, Beijing 100088, Peoples R China

来源：

SCIENCE IN CHINA SERIES E-TECHNOLOGICAL SCIENCES | 2009年 / 52卷 / 01期

关键词：

hydrogen storage materials; Ti-V based alloy; Laves phase; ABSORPTION;

D O I：

10.1007/s11431-009-0026-3

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

In this paper, the effects of Si and Ce on the microstructure and hydrogen storage property of Ti-26.5 Cr20V45Fe8.5Ce0.5 alloy were studied, respectively. First of all, effects of Si on the microstructure and hydrogen storage properties of Ti26.5Cr20(V45Fe8.5)(1-x)SixCe0.5 (x = 0, 0.5, 1.0, 1.5 and 2.0 at%) alloys were studied by X-ray diffraction, scanning electron microscopy and P-C isotherm measurements. As the Si addition increases, the hydrogen absorption capacities of alloys decrease but the equilibrium pressure increases, due to the formation of Laves phase. Secondly, the effect of Ce on Ti26.5Cr20(V45Fe8.5)(0.98)Si-2 alloy was studied. It was found that Ce addition is an effective way to eliminate the effect of Si on the hydrogen storage properties of the alloy.

引用

页码：256 / 259

页数：4

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