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| MAGNETOSTRICTION AND MICROSTRUCTURE OF THE MELT-SPUN Fe83Ga17 ALLOY |
| Honglin Jiang |
| 北京科技大学新金属材料国家重点实验室 |
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Cite this article:
Honglin Jiang. MAGNETOSTRICTION AND MICROSTRUCTURE OF THE MELT-SPUN Fe83Ga17 ALLOY. Acta Metall Sin, 2006, 42(2): 177-180 .
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Abstract The ribbons with different thickness of Fe83Ga17 alloy were prepared by the melt-spun and the microstrcucture and magntostriction were investigated. It was found that the magnetostriction was related to the thickness of ribbons and the maximum magnetostriction of -2100 ×10-6 has been obtained in the ribbon with thickness of 75 μm. The XRD and DSC results showed that DO3 structure emerges in those ribbons with thickness of 45、55、75μm. The transition of A2＋DO3→A2 occurred at 669℃ for the ribbon of 75 μm. The microstructure of ribbons showed that the increase of melt-spun cooling rate can restrain the precipitation of Ga-rich phase. It is considered that the giat magnetostriction of ribbons originates from the A2 +special DO3 structure and shape magnetic anisotropy .
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Received: 20 May 2005
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