| Wiedemann effect of Fe—Ga based magnetostrictive wires |
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| 引用本文： | 李纪恒,高学绪,朱洁,包小倩,程亮,谢建新. Wiedemann effect of Fe—Ga based magnetostrictive wires[J]. 中国物理 B, 2012, 21(8): 87501-087501. DOI: 10.1088/1674-1056/21/8/087501 |
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| 作者姓名： | 李纪恒 高学绪 朱洁 包小倩 程亮 谢建新 |
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| 作者单位： | State Key Laboratory for Advanced Metals and Materials,University of Science and Technology Beijing |
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| 基金项目： | Project supported by the State Key Development Program for Basic Research of China （Grant No. 2011CB606304）, the National Natural Science Foundation for Postdoctoral Scientists of China （Grant No. 2011M500229）, and the Program for New Century Excellent Talents in University, China （Grant No. NCET-09-02120）. |
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| 摘 要： | (Fe83Ga17)98Cr2 wires each with a diameter of 0.7 mm are prepared by hot swaging and warm drawing from the casting rods directly,because the ductility of Fe83Ga17 alloy is improved by adding Cr element.The Wiedemann twists and dependences on magnetostrictions of Fe83Ga17 and(Fe83Ga17)98Cr2 wires are investigated.The largest observed Wiedemann twists of 245 s·cm-1 and 182 s·cm-1 are detected in the annealed Fe83Ga17 and(Fe83Ga17)98Cr2 wires,respectively.The magnetostrictions of the annealed Fe83Ga17 and(Fe83Ga17)98Cr2 wires are 160 ppm and 107 ppm,respectively.The maximum of the Wiedemann twist increases with magnetostriction increasing.However the magnetostriction is just one important factor that affects the Wiedemann effect of alloy wire,and the relationship between magnetostriction and Wiedemann effect is a complex function rather than a simple function.
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| 关 键 词： | Fe-Ga alloy wires Wiedemann effect magnetostriction |
| 收稿时间： | 2011-12-04 |
Wiedemann effect of Fe-Ga based magnetostrictive wires |
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| Li Ji-Heng,Gao Xue-Xu,Zhu Jie,Bao Xiao-Qian,Cheng Liang,Xie Jian-Xin. Wiedemann effect of Fe-Ga based magnetostrictive wires[J]. Chinese Physics B, 2012, 21(8): 87501-087501. DOI: 10.1088/1674-1056/21/8/087501 |
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| Authors: | Li Ji-Heng Gao Xue-Xu Zhu Jie Bao Xiao-Qian Cheng Liang Xie Jian-Xin |
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| Affiliation: | State Key Laboratory for Advanced Metals and Materials, University of Science and Technology Beijing, Beijing 100083, China |
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| Abstract: | (Fe83Ga17)98Cr2 wires each with a diameter of 0.7 mm are prepared by hot swaging and warm drawing from the casting rods directly, because the ductility of Fe83Ga17 alloy is improved by adding Cr element. The Wiedemann twists and dependences on magnetostrictions of Fe83Ga17 and (Fe83Ga17)98Cr2 wires are investigated. The largest observed Wiedemann twists of 245 s·cm-1 and 182 s·cm-1 are detected in the annealed Fe83Ga17 and (Fe83Ga17)98Cr2 wires, respectively. The magnetostrictions of the annealed Fe83Ga17 and (Fe83Ga17)98Cr2 wires are 160 ppm and 107 ppm, respectively. The maximum of Wiedemann twist increases with magnetostriction increasing. However the magnetostriction is just an important factor that affects the Wiedemann effect of alloy wire, and the relationship between magnetostriction and Wiedemann effect is a complex function rather than a simple function. |
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| Keywords: | Fe-Ga alloy wires Wiedemann effect magnetostriction |
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