Improvement of the mechanical properties and durability of bulk superconductors with resin impregnation

M. Tomita, M. Murakami

研究成果: Conference article査読

12 被引用数 (Scopus)

抄録

Large single-grain bulk RE-Ba-Cu-O (RE: rare earth elements) superconductors can trap large fields exceeding several teslas and thus can function as very strong quasi-permanent magnets. At present the maximum trapped field is essentially limited by the mechanical strength of bulk superconductors. The stress produced by refrigeration sometimes causes cracking. A large electromagnetic force will also act on the superconductors, when they trap large magnetic fields, leading to the fatal failure. We have recently found that epoxy resin can penetrate into the bulk superconductors under controlled conditions. It has been confirmed that a dramatic improvement of durability and field trapping capability can be achieved with resin impregnation.

本文言語English
ページ(範囲)2443-2444
ページ数2
ジャーナルPhysica C: Superconductivity and its applications
341-348 (IV)
DOI
出版ステータスPublished - 2000 11
外部発表はい
イベントInternational Conference on Materials and Mechanisms of Superconductivity High Temperature Superconductors VI - Houston, TX, USA
継続期間: 2000 2 202000 2 25

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 凝縮系物理学
  • エネルギー工学および電力技術
  • 電子工学および電気工学

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