Wiedemann effect of Fe-Ga based magnetostrictive wires

（Fes3Ga17）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 Fes3Ga17alloy is improved by adding Cr element. The Wiedemann twists and dependences on magnetostrictions of Fe83Ga17 and （Fe83Ga17）98Cr2 wires a...

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Bibliographic Details
Published inChinese physics B Vol. 21; no. 8; pp. 476 - 481
Main Author 李纪恒 高学绪 朱洁 包小倩 程亮 谢建新
Format Journal Article
LanguageEnglish
Published 01.08.2012
Subjects
Annealing
Chromium
Ductility
Ferrous alloys
Gallium
Magnetostriction
ppm
Rods
Swaging
Wire
合金丝
威德曼效应
延展性
超磁致伸缩
退火
遗传算法
铁基
Online AccessGet full text
ISSN1674-1056
2058-3834
1741-4199
DOI10.1088/1674-1056/21/8/087501

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Summary:（Fes3Ga17）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 Fes3Ga17alloy 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 Fes3Ga17 and （Fe83Ga17）98Cr2 wires, respectively. The magnetostrictions of the annealed Fes3Ga17 and （Fes3Ga17）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.
Bibliography:Fe-Ga alloy, wires, Wiedemann effect, magnetostriction
（Fes3Ga17）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 Fes3Ga17alloy 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 Fes3Ga17 and （Fe83Ga17）98Cr2 wires, respectively. The magnetostrictions of the annealed Fes3Ga17 and （Fes3Ga17）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.
11-5639/O4
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SourceType-Scholarly Journals-1
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ISSN:1674-1056
2058-3834
1741-4199
DOI:10.1088/1674-1056/21/8/087501