Structural change and 57Fe Mossbauer spectroscopy of mechanically alloyed Fe3C and Fe5C2

被引：23
|
作者：
Tokumitsu, K
Umemoto, M
机构：
[1] Univ Tokyo, Dept Mat Engn, Bunkyo Ku, Tokyo 1138656, Japan
[2] Toyohashi Univ Technol, Dept Prod Syst Engn, Toyohashi, Aichi 4418580, Japan
来源：
METASTABLE, MECHANICALLY ALLOYED AND NANOCRYSTALLINE MATERIALS, ISMANAM-2000 | 2001年 / 360-3卷
关键词：
cementite; Fe3C; Fe(5)C(2)r iron carbide; mechanical alloying; Mossbauer spectroscopy;
D O I：
10.4028/www.scientific.net/MSF.360-362.183
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The structural change of Fe3C and Fe5C2 by mechanical alloying of their elemental powders was studied with X-ray diffraction and Fe-57 Mossbauer spectroscopy. X-ray diffraction patterns showed the orthorhombic phase Fe3C in the first stage of milling, but the hexagonal phase in the second stage. Amorphous phase was not obtained in both compositions. Fe-57 Mossbauer spectra changed from alpha -Fe, H-int.=330kG, to a ferromagnetic sextet, H-int.=205kG, in the first stage and split into two ferromagnetic ones, H-int.=165 and 210kG in the second stage.
引用
收藏
页码：183 / 188
页数：6
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