Synthesis of metastable Fe3C, Co3C and Ni3C by mechanical alloying method

被引：32
|
作者：
Tokumitsu, K
机构：
来源：
SYNTHESIS AND PROPERTIES OF MECHANICALLY ALLOYED AND NANOCRYSTALLINE MATERIALS, PTS 1 AND 2 - ISMANAM-96 | 1997年 / 235-2卷
关键词：
Fe3C; Co3C; Ni3C; metastable phase; mechanical alloying; thermal stability; magnetic properties;
D O I：
10.4028/www.scientific.net/MSF.235-238.127
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Metastable Fe3C, Co3C and Ni3C were synthesized by mechanical alloying of elemental powders. The structure of Fe3C was orthorhombic and those of the latter two were hcp. Their thermal stabilities and magnetic properties were studied by differential scanning calorimetry and vibrating sample magnetometry. Co3C decomposed at 468 degrees C and Ni3C at 418 degrees C at a heating rate of 3 degrees C/min. These two phases were ferromagnetic. Microclustering of Co and Ni atoms was detected before the decomposition of Co3C and Ni3C.
引用
收藏
页码：127 / 132
页数：6
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