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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# |
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 |
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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.
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Received: 29 November 2010
Revised: 23 December 2010
Accepted manuscript online:
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PACS:
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75.80.+q
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(Magnetomechanical effects, magnetostriction)
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33.45.+x
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(M?ssbauer spectra)
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64.60.Cn
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(Order-disorder transformations)
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Fund: Project supported by the National Basic Research Program of China (Grant No. 2010CB934602). |
Cite this article:
Zhu Jie (朱洁), Peng Fu-Ling (彭福玲), Fang Mei-Ling (方美玲), Li Ji-Heng (李纪恒), Gao Xue-Xu (高学绪), Yu Rong-Hai (于荣海) Short range order transformation and magnetostriction of Fe83Ga17 ribbons 2011 Chin. Phys. B 20 057504
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