HYDROGEN ABSORPTION CHARACTERISTICS OF CRYSTALLINE LANI5 PREPARED BY MECHANICAL ALLOYING

被引:15
作者
SAKAGUCHI, H [1 ]
SUGIOKA, T [1 ]
ADACHI, GY [1 ]
机构
[1] OSAKA UNIV,FAC ENGN,DEPT APPL CHEM,SUITA,OSAKA 565,JAPAN
关键词
D O I
10.1246/cl.1995.561
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Crystalline LaNi5 powder was synthesized by mechanical alloying of constituent metals preceding annealing at lower than a melting point of the alloy. The structure of the sample as mechanically alloyed was amorphous. After two-step heat treatments at 723 K in a stream of hydrogen and at 1273 K in helium, the crystalline sample was obtained. The hydrogen absorption characteristics of the crystalline sample were in fair agreement with those of the alloy prepared by a conventional melting technique.
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页码:561 / 562
页数:2
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