Superconducting joint of Y-Ba-Cu-O superconductors using Er-Ba-Cu-O solder

K. Iida, J. Yoshioka, N. Sakai, M. Murakami

研究成果: Article査読

28 被引用数 (Scopus)

抄録

Two melt-textured Y-Ba-Cu-O superconductor blocks were successfully welded with Er-Ba-Cu-O solder having a lower peritectic temperature than that of Y-Ba-Cu-O. The key to a strongly coupled joint was a combination of the control of crystal growth along 〈110〉 direction and the employment of a highly dense sintered Er-Ba-Cu-O bar as a solder material. Microstructural analyses revealed that no segregation of secondary phase and/or residual liquid phase was observed at the joint interface. Furthermore, it was found through magneto-optical observations that magnetic field could not penetrate into the joint, indicating that the two superconductors were strongly connected with this method.

本文言語English
ページ(範囲)53-58
ページ数6
ジャーナルPhysica C: Superconductivity and its applications
370
1
DOI
出版ステータスPublished - 2002 4 1
外部発表はい

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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