Effect of resin layer on the thermal stress of bulk superconductors

M. Tomita, M. Murakami

研究成果: Conference article査読

11 被引用数 (Scopus)

抄録

We studied how the field-trapping capability decays with the number of trapped-field measurements for bulk Y-Ba-Cu-O samples with and without resin impregnation. The field-trapping capability decayed with the number of measurement for a bare bulk superconductor, while no degradation was observed in the bulk impregnated with resin. We then performed numerical simulations for the thermal stresses of such bulk superconductors using the finite-element method. The thermal tensional stress of a bulk Y-Ba-Cu-O without resin reached 224 MPa, while that of the bulk covered with resin 0.5 mm in thickness was only 27 MPa. This was responsible for an improved durability against repetitive thermal cycles in the sample with resin impregnation.

本文言語English
ページ(範囲)493-498
ページ数6
ジャーナルPhysica C: Superconductivity and its applications
392-396
PART 1
DOI
出版ステータスPublished - 2003 10
外部発表はい
イベントProceedings of the 15th International Symposium on Superconduc - Yokohama, Japan
継続期間: 2002 11 112002 11 13

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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