Reactive mechanical grinding applied to a (Ti plus Ni) mixture and to a TiNi compound

被引：11

作者：

Bobet, JL ^{[1
]}

Chevalier, B ^{[1
]}

机构：

[1] Univ Bordeaux 1, CNRS, UPR 9048, ICMCB, F-33608 Pessac, France

来源：

INTERMETALLICS | 2002年 / 10卷 / 06期

关键词：

intermetallics; miscellaneous; hydrogen storage; mechanical alloying and milling;

D O I：

10.1016/S0966-9795(02)00033-X

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：

Reactive mechanical grinding (MG under H-2) was applied to a (Ti + Ni) mixture. After only I h. all the titanium is transformed into TiH2. After 10 h of milling the TiH2 is nano-structured and it takes approximately 25 h to obtain nano-structured Ni. After 45 h no binary compound is formed between Ti (or TiH2) and Ni and a very homogeneous nano-structured mixture is formed. The electrochemical capacity is approximately 150 mAh g(-1) and almost constant upon cycling, Finally the RMG process of TiNi mixture allows one to obtain a partial conversion of ingot into powder. (C) 2002 Elsevier Science Ltd. All rights reserved.

引用

页码：597 / 601

页数：5

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