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

  • Zhenhua Zhou (a1), Jianhua Zhao (a2), Wenkui Wang (a2) and Liling Sun (a1)

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.

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

  • Zhenhua Zhou (a1), Jianhua Zhao (a2), Wenkui Wang (a2) and Liling Sun (a1)

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