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Developing a high-temperature superconducting bulk magnet for the maglev train of the future

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  • Superconductors
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Abstract

The major applications of high-temperature superconductors have mostly been confined to products in the form of wires and thin films. However, recent developments show that rare-earth REBa2Cu3O7−x and light rare-earth LREBa2Cu3O7−3 superconductors prepared by melt processes have a high critical-current density at 77 K and high magnetic fields. These superconductors will promote the application of bulk high-temperature superconductors in high magnetic fields; the superconducting bulk magnet for the Maglev train is one possible application.

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Authors and Affiliations

  1. Materials Engineering Laboratory, Railway Technical Research Institute, 2-8-38 Hikari-cho, Kokubunji-shi, 185-8540, Tokyo, Japan

    Hiroyuki Fujimoto

Authors
  1. Hiroyuki Fujimoto
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Additional information

Editor’s Note: A hypertext-enhanced version of this article can be found on the TMS web site at www.tms.org/pubs/journals/JOM/9810/Fujimoto-9810.html.

Hiroyuki Fujimoto earned his Ph.D. in electrical engineering at Kyushu University, Japan, in 1994. He is currently a manager of the Materials Engineering Laboratory at the Railway Technical Research Institute.

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Fujimoto, H. Developing a high-temperature superconducting bulk magnet for the maglev train of the future. JOM 50, 16–18 (1998). https://doi.org/10.1007/s11837-998-0345-z

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  • DOI: https://doi.org/10.1007/s11837-998-0345-z

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