International Round Robin Test for Critical Current Measurement of RE-Ba-Cu-O Superconducting Tapes

Gen Nishijima, Kozo Osamura, Tatsuoki Nagaishi, Toru Fukushima, Yasuhiro Iijima, Tsutomu Koizumi, Yifei Zhang, Marco Breschi, Xavier Chaud, Hyung Seop Shin, Takanobu Kiss

研究成果: ジャーナルへの寄稿学術誌査読

3 被引用数 (Scopus)

抄録

VAMAS TWA 16 promoted an international round robin test (RRT) on critical current (Ic) measurement of RE-Ba-Cu-O (REBCO; RE = rare earth) superconductors to establish the transport I c measurement method in liquid nitrogen bath without an external magnetic field. Ten laboratories from five countries participated in the RRT and tested commercially available REBCO superconductors. Ic and measurement conditions were reported. In parallel, intrinsic Ic nonuniformity of the superconductors were evaluated by reel-to-reel scanning Hall-probe microscopy for 10-m conductors. Statistical analyses of Ic provided uncertainty of the measurement method. Combined standard uncertainty was analyzed considering the intrinsic nonuniformity of Ic. The analysis indicated that the intrinsic nonuniformity has the largest contribution to the uncertainty of Ic.

本文言語英語
論文番号8279566
ジャーナルIEEE Transactions on Applied Superconductivity
28
4
DOI
出版ステータス出版済み - 6月 2018

!!!All Science Journal Classification (ASJC) codes

  • 電子材料、光学材料、および磁性材料
  • 凝縮系物理学
  • 電子工学および電気工学

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