中国物理B ›› 2011, Vol. 20 ›› Issue (5): 57504-057504.doi: 10.1088/1674-1056/20/5/057504

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Short range order transformation and magnetostriction of Fe83Ga17 ribbons

于荣海1, 朱洁2, 彭福玲2, 方美玲2, 李纪恒2, 高学绪2   

  1. (1)School of Materials Science and Engineering, Beihang University, Beijing 100191, China; (2)State Key Laboratory for Advanced Metals and Materials, University of Science and Technology Beijing, Beijing 100083, China
  • 收稿日期:2010-11-29 修回日期:2010-12-23 出版日期:2011-05-15 发布日期:2011-05-15
  • 基金资助:
    Project supported by the National Basic Research Program of China (Grant No. 2010CB934602).

Short range order transformation and magnetostriction of Fe83Ga17 ribbons

Zhu Jie (朱洁)a, Peng Fu-Ling (彭福玲)a, Fang Mei-Ling (方美玲)a, Li Ji-Heng (李纪恒)a, Gao Xue-Xu (高学绪)a, Yu Rong-Hai (于荣海)b#br#   

  1. a State Key Laboratory for Advanced Metals and Materials, University of Science and Technology Beijing, Beijing 100083, China; b School of Materials Science and Engineering, Beihang University, Beijing 100191, China
  • Received:2010-11-29 Revised:2010-12-23 Online:2011-05-15 Published:2011-05-15
  • Supported by:
    Project supported by the National Basic Research Program of China (Grant No. 2010CB934602).

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摘要： The relationship between magnetostriction and structure of melt-spun Fe83Ga17 ribbons are investigated by XRD and Mõssbauer spectrum technique (MS). As the heat-treatment temperature increases from 650oC to 800oC, the magnetostriction coefficient of Fe83Ga17 ribbon first increases and then decreases. The largest magnetostriction coefficient (-578.4 ppm) is achieved in those specimens quenched at 750oC. According to the XRD and Mõssbauer spectrum analysis, a small quantity of DO3 phase is precipitated in Fe83Ga17 ribbons when quenched from 650oC and the DO3 phase is gradually transformed into B2-like phase if quenched at higher temperature. However, both DO3 and B2-like phases disappear when the temperature increases up to 800oC. From this point of view, B2-like phase might be beneficial to the enhancement of magnetostrictive properties of melt-spun ribbons.

关键词: Fe–Ga alloy, magnetostriction, Mõ, ssbauer spectroscopy, short range order

Abstract: The relationship between magnetostriction and structure of melt-spun Fe83Ga17 ribbons are investigated by XRD and M?ssbauer spectrum technique (MS). As the heat-treatment temperature increases from 650oC to 800℃, the magnetostriction coefficient of Fe83Ga17 ribbon first increases and then decreases. The largest magnetostriction coefficient (-578.4 ppm) is achieved in those specimens quenched at 750℃. According to the XRD and M?ssbauer spectrum analysis, a small quantity of DO3 phase is precipitated in Fe83Ga17 ribbons when quenched from 650℃ and the DO3 phase is gradually transformed into B2-like phase if quenched at higher temperature. However, both DO3 and B2-like phases disappear when the temperature increases up to 800℃. From this point of view, B2-like phase might be beneficial to the enhancement of magnetostrictive properties of melt-spun ribbons.

Key words: Fe–Ga alloy, magnetostriction, M?ssbauer spectroscopy, short range order

中图分类号:  (Magnetomechanical effects, magnetostriction)

  • 75.80.+q
33.45.+x (M?ssbauer spectra) 64.60.Cn (Order-disorder transformations)