Compact design of a 30T superconducting magnet incorporating YBa 2Cu3O7 coated conductor tapes and pre-reacted Nb3Sn strand cables

Kazuo Watanabe; Gen Nishijima; Satoshi Awaji; Takataro Hamajima; Tsukasa Kiyoshi; Hiroaki Kumakura; Kei Koyanagi; Satoshi Hanai; Michitaka Ono

doi:10.1143/APEX.1.101703

Compact design of a 30T superconducting magnet incorporating YBa ₂Cu₃O₇ coated conductor tapes and pre-reacted Nb₃Sn strand cables

Kazuo Watanabe, Gen Nishijima, Satoshi Awaji, Takataro Hamajima, Tsukasa Kiyoshi, Hiroaki Kumakura, Kei Koyanagi, Satoshi Hanai, Michitaka Ono

金属材料研究所・附属強磁場超伝導材料研究センター

研究成果: Article › 査読

7 被引用数 (Scopus)

抄録

We set out to design as compactly as possible a 30 T superconducting magnet consisting of an YBa₂CU₃O₇ (Y123) insert coll and a CuNbrelnforced Nb₃Sn (CuNb/Nb₃Sn) background coil. The engineering current density J_e for an Y123-coated conductor tape is larger at 14-15T and 4.2 K than that for a CuNb/Nb₃Sn strand. Adopting Y123-coated conductor tapes in the high field region above 14-15T proves highly effective for the fabrication of a very compact 30 T superconducting magnet. A 30T, 52 mm-room-temperature bore superconducting magnet can be constructed in the coll grading of a 16T Y123 insert and a 14T CuNb/Nb3Sn background coil, and the stored magnetic energy of 32MJ successfully lies in the 1/3 level in comparison with the 30T nuclear-magnetic-resonance (NMR) superconducting magnet reported previously.

本文言語	English
ページ（範囲）	1017031-1017033
ページ数	3
ジャーナル	Applied Physics Express
巻	1
号	10
DOI	https://doi.org/10.1143/APEX.1.101703
出版ステータス	Published - 2008 10月 1

ASJC Scopus subject areas

工学（全般）
物理学および天文学（全般）

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10.1143/APEX.1.101703

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引用スタイル

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abstract = "We set out to design as compactly as possible a 30 T superconducting magnet consisting of an YBa2CU3O7 (Y123) insert coll and a CuNbrelnforced Nb3Sn (CuNb/Nb3Sn) background coil. The engineering current density Je for an Y123-coated conductor tape is larger at 14-15T and 4.2 K than that for a CuNb/Nb3Sn strand. Adopting Y123-coated conductor tapes in the high field region above 14-15T proves highly effective for the fabrication of a very compact 30 T superconducting magnet. A 30T, 52 mm-room-temperature bore superconducting magnet can be constructed in the coll grading of a 16T Y123 insert and a 14T CuNb/Nb3Sn background coil, and the stored magnetic energy of 32MJ successfully lies in the 1/3 level in comparison with the 30T nuclear-magnetic-resonance (NMR) superconducting magnet reported previously.",

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AU - Awaji, Satoshi

AU - Hamajima, Takataro

AU - Kiyoshi, Tsukasa

AU - Kumakura, Hiroaki

AU - Koyanagi, Kei

AU - Hanai, Satoshi

AU - Ono, Michitaka

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