Development of an 11 T BSCCO Insert Coil for a 25 T Cryogen-free Superconducting Magnet

Satoshi Hanai, Takahiro Tsuchihashi, Shigeru Ioka, Kazuo Watanabe, Satoshi Awaji, Hidetoshi Oguro

研究成果: Article査読

19 被引用数 (Scopus)

抄録

We have developed and installed an 11 T Bi2Sr2Ca2Cu3Oy (BSCCO) insert coil for a 25 T cryogen-free superconducting magnet (25 T-CSM). The insert coil composed of a stack of 38 double pancakes was wound with DI-BSCCOTM Type HT-NX conductors which had high critical tensile strength of 400 MPa at 77 K. The insert coil is cooled by two two-stage Gifford-McMahon cryocoolers and the operation temperature of the insert coil is designed to be below 10 K. The insert coil has successfully generated 11.48 T without a background field and 24.57 T with a 14.0 T background field produced by outer low temperature superconducting coils in a 52 mm room temperature bore. Before the performance test, we fabricated and tested an R&D insert coil consisting of two double pancakes, which had the same configuration as the actual insert coil pancakes do, to confirm mechanical strength of the conductors.

本文言語English
論文番号7835160
ジャーナルIEEE Transactions on Applied Superconductivity
27
4
DOI
出版ステータスPublished - 2017 6月

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
  • 電子工学および電気工学

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