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Mechanical Properties of an Insulator for the Japanese LCT Coil

  • K. Koizumi
  • K. Yoshida
  • E. Tada
  • M. Nishi
  • S. Shimamoto
  • M. Nagai
  • K. Kadotani
  • N. Tada
Part of the Advances in Cryogenic Engineering Materials book series (ACRE, volume 28)

Abstract

Superconducting fusion magnets operate in high electromagnetic forces at liquid helium temperature. Electrical insulators in a winding must sustain high compressive forces as well as high voltage. Far fewer studies have been made on mechanical properties than on electrical properties of insulation design. Therefore, we have investigated mechanical and electrical characteristics of several kinds of insulation materials at 4 K in order to select insulators for the Japanese LCT coil.1

Keywords

Compressive Strength Insulation Material Breakdown Voltage Copper Surface Bond Shear Strength 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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References

  1. 1.
    S. Shimamoto, T. Ando, T. Hiyama, H. Tsuji, Y. Takahashi, E. Tada, M. Nishi, K. Yoshida, K. Okuno, K. Koizumi, T. Kato, K. Yasukochi, R. S. Kensley, K. Oka, M. Shimada, Y. Sanada, Y. Ibaraki, Evolution of the Japanese Test Coil Work for the Large Coil Task, IEEE Trans. Magn. MAG-17: 1734 (1981).Google Scholar
  2. 2.
    M. B. Kasen, G. R. MacDonald, D. H. Beekman, and R. E. Schramm, Mechanical, electrical, and thermal characterization of G-10CR and G-11CR glass-cloth/epoxy laminates between room temperature 4 K, in: “Advances in Cryogenic Engineering- Materials,” Vol. 26, Plenum Press, New York (1980), p. 235.Google Scholar

Copyright information

© Plenum Press, New York 1982

Authors and Affiliations

  • K. Koizumi
    • 1
  • K. Yoshida
    • 1
  • E. Tada
    • 1
  • M. Nishi
    • 1
  • S. Shimamoto
    • 1
  • M. Nagai
    • 2
  • K. Kadotani
    • 2
  • N. Tada
    • 2
  1. 1.Japan Atomic Energy Research InstituteIbarakiJapan
  2. 2.Hitachi, Ltd.IbarakiJapan

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