Mechanical alloying of Fe-Mn and Fe-Mn-Si

被引:29
|
作者
Liu, T
Liu, HY [1 ]
Zhao, ZT
Ma, RZ
Hu, TD
Xie, YN
机构
[1] Chinese Acad Sci, Inst Semicond, Lab Semicond Mat Sci, Beijing 100083, Peoples R China
[2] Chinese Acad Sci, Inst High Energy Phys, Beijing Synchrotorn Radiat Facil, Beijing 100083, Peoples R China
[3] Univ Sci & Technol Beijing, Chinese Acad Sci, Dept Mat Phys, Beijing 100083, Peoples R China
关键词
As-milled alloys; ball milling; Mossbauer measurements; X-ray diffraction;
D O I
10.1016/S0921-5093(98)01022-3
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
The ball milling of Fe-24Mn and Fe-24Mn-6Si mixed powders has been performed by the high energy ball milling technique. By employing X-ray diffraction and Mossbauer measurements, the composition evolution during the milling process has been investigated. The results indicate the formation of paramagnetic Fe-Mn or Fe-Mn-Si alloys with a metastable fee phase as final products, which imply that the Fe and Mn proceed a co-diffusion mechanism through the surface of fragmented powders. The thermal stability and composition evolution of the as-milled alloys were discussed comparing with the bulk alloy. (C) 1999 Published by Elsevier Science S.A. All rights reserved.
引用
收藏
页码:8 / 13
页数:6
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