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Formation of bulk β–FeSi2 by annealing rapidly solidified α–FeSi2 ribbons

Published online by Cambridge University Press:  31 January 2011

Zhenhua Zhou ,
Jianhua Zhao ,
Wenkui Wang  and
Liling Sun
Zhenhua Zhou
Affiliation:
Institute of Physics, Chinese Academy of Sciences, P.O. Box 603(34), Beijing 100080, People's Republic of China
Jianhua Zhao
Affiliation:
Institute of Physics, Chinese Academy of Sciences, P.O. Box 603(34), Beijing 100080, People's Republic of China, and College of Materials Science and Engineering, Yanshan University, Qinhuangdao 066004, People's Republic of China
Wenkui Wang
Affiliation:
Institute of Physics, Chinese Academy of Sciences, P.O. Box 603(34), Beijing 100080, People's Republic of China, and College of Materials Science and Engineering, Yanshan University, Qinhuangdao 066004, People's Republic of China
Liling Sun
Affiliation:
Institute of Physics, Chinese Academy of Sciences, P.O. Box 603(34), Beijing 100080, People's Republic of China
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Abstract

Solidification of FeSi2 alloy by single-roller rapid solidification technology was studied, and monophase α–FeSi2 ribbons were obtained. Phase evolution of the monophase and metastable α–FeSi2 ribbons during subsequent annealing was studied with in situ electric resistance measurements. The results show that the metastable α–FeSi2 phase transforms into the β–FeSi2 phase at about 620 °C and then transforms into the α–FeSi2 phase again at a higher temperature when heated. A new relatively simple method to prepare bulk β–FeSi2 alloy, that is, formation of bulk β–FeSi2 alloy by annealing monophase α–FeSi2 alloy, is presented.

Type
Rapid Communications
Information
Journal of Materials Research , Volume 15 , Issue 5 , May 2000 , pp. 1045 - 1047
Copyright
Copyright © Materials Research Society 2000

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