New equilibrium phase in the Fe-Ge system obtained by mechanical alloying

被引:22
|
作者
Gerasimov, KB [1 ]
Pavlov, SV [1 ]
机构
[1] RAS, Siberian Branch, Inst Solid State Chem, Novosibirsk 630128, Russia
基金
俄罗斯基础研究基金会;
关键词
intermetallics; miscellaneous; phase diagram; mechanical alloying and milling;
D O I
10.1016/S0966-9795(99)00113-2
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
A new equilibrium phase has been found in the Fe-Ge system. It has the composition Fe2Ge3, and decomposes at about 580 degrees C due to a peritectoid reaction, giving FeGe (cubic modification) and FeGe2. The phase forms by a eutectoid reaction from FeGe2 at about 530 degrees C; however, this transformation is kinetically inhibited. The Fe2Ge3 compound is likely to have a tetragonal lattice; structure type of Ru2Sn3, a = 5.59 Angstrom, c = 8.92 Angstrom. (C) 2000 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:451 / 452
页数:2
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