Magnetization and Demagnetization Characteristics of NdFeB Blocks in Pulsed Magnetic Field
编号:33 访问权限:仅限参会人 更新:2020-10-15 14:17:35 浏览:284次 口头报告

报告开始:2020年11月04日 10:30(Asia/Shanghai)

报告时间:15min

所在会场:[F] High Magnetic Field Engineering and Fusion Technology [F1] Session 29

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摘要
The main purpose of this paper is to study the saturated magnetization and demagnetization characteristics of NdFeB permanent magnets (PMs) in pulsed magnetic field, in order to provide experimental data support for the post-assembly magnetization of PM motor. For this purpose, we designed and fabricated a pulsed magnet, which had a bore of 80 mm and maximum field of 7 T. the pulsed magnet was energized by a 1 MJ capacitor bank, which can realize the switching of pulsed magnetization and AC demagnetization respectively. The residual magnetization of the PM blocks was measured by a Helmholtz coil. Finally, the experimental results indicate that the saturated magnetization field of a non-magnetized N38SH NdFeB PM block is 2.65 T. But after AC demagnetization, the saturated magnetization field increased to 3.18 T. Thermal demagnetization can bring the PM block to the initial state, and 2.55 T is enough for saturated magnetization.
关键词
Demagnetization,Magnetization,NdFeB,Permanent magnet,Pulse magnet
报告人
Wu Tian
Student Huazhong University of Science and Technology

稿件作者
Lv Yiliang Huazhong University of Science and Technology
Wu Tian Huazhong University of Science and Technology
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重要日期
  • 会议日期

    11月02日

    2020

    11月04日

    2020

  • 10月27日 2020

    初稿截稿日期

  • 11月03日 2020

    报告提交截止日期

  • 11月04日 2020

    注册截止日期

  • 11月17日 2020

    终稿截稿日期

主办单位
IEEE IAS Student Chapter of Huazhong University of Science and Technology (HUST)
承办单位
Huazhong University of Science and Technology
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