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Pulsed-Field Magnetization of Y-Ba-Cu-O Superconducting Bulk Magnet Cooled By Refrigerator

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Advances in Superconductivity X

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Abstract

The melt-processed YBCO bulk superconductor with 35.5 mm in diameter and 14 mm in thickness was magnetized by pulsed magnetic fields with various intensities at temperatures of 30-84K. When a single pulsed field was applied to the sample at 35 K, the maximum trapped flux density was limited to 1.42 T. However, we found that the field increased to 2.1 T when the pulsed fields were repeatedly applied to the sample with decreasing intensity from 7 T. By field cooling, the maximum trapped flux density was 4T at 35 K. The difference of the trapped flux density was caused by the heat generation during the pulsed field magnetization. However, the flux creep after pulsed-field magnetization was significantly small compared to that by field cooling.

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References

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Authors and Affiliations

  1. IMRA MATERIAL R&D Co., Ltd., 5-50 Hachiken-cho, Kariya, Aichi, 448, Japan

    Yousuke Yanagi, Yoshitaka Itoh, Masaaki Yoshikawa & Tetsuo Oka

  2. Department of Crystalline Materials Science, Nagoya University, Nagoya, 464-01, Japan

    Atsunori Terasaki & Uichiro Mizutani

  3. Center for Integrated Research in Science and Engineering, Nagoya University, Nagoya, 464-01, Japan

    Hiroshi Ikuta

Authors
  1. Yousuke Yanagi
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  2. Yoshitaka Itoh
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  3. Masaaki Yoshikawa
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  4. Tetsuo Oka
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  5. Atsunori Terasaki
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  6. Hiroshi Ikuta
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  7. Uichiro Mizutani
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Editors and Affiliations

  1. Department of Materials Science and Engineering, Kyoto University, Yoshidahonmachi, 606-8501, Sakyo-ku, Kyoto, Japan

    Kozo Osamura (Professor) (Professor)

  2. Division 8 Superconductivity Research Laboratory, ISTEC, 2-4-1 Mutsuno, 456-0000, Atsuta-ku, Nagoya, Japan

    Izumi Hirabayashi (Division Director) (Division Director)

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© 1998 Springer Japan

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Yanagi, Y. et al. (1998). Pulsed-Field Magnetization of Y-Ba-Cu-O Superconducting Bulk Magnet Cooled By Refrigerator. In: Osamura, K., Hirabayashi, I. (eds) Advances in Superconductivity X. Springer, Tokyo. https://doi.org/10.1007/978-4-431-66879-4_223

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  • DOI: https://doi.org/10.1007/978-4-431-66879-4_223

  • Publisher Name: Springer, Tokyo

  • Print ISBN: 978-4-431-66881-7

  • Online ISBN: 978-4-431-66879-4

  • eBook Packages: Springer Book Archive

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