MECHANICAL ALLOYING IN THE FE-AL SYSTEM

被引:56
作者
OLESZAK, D [1 ]
SHINGU, PH [1 ]
机构
[1] KYOTO UNIV, FAC ENGN, DEPT MET SCI & TECHNOL, SAKYO KU, KYOTO 606, JAPAN
来源
MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING | 1994年 / 181卷
关键词
D O I
10.1016/0921-5093(94)90834-6
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
The mechanical alloying technique has been applied to alloy synthesis from Fe-Al powder mixtures containing 10, 20, 30, 40 and 50 at.% Al. An evolution of the powder morphology from flaky in the first stage to spherical in the final stage has been observed. The particle size has been estimated as 50 and 5 mum in the first and final stages of milling respectively. For all alloys studied a disordered b.c.c. solid solution has been formed by ball milling. A grain size of several nanometres and a maximum r.m.s. strain level up to 1% have been observed. The change in lattice parameter has been calculated to be up to 2.4%.
引用
收藏
页码:1217 / 1221
页数:5
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