Practical use of a liquid helium-free superconducting magnet

K. Watanabe; T. Masumoto; S. Awaji; M. Motokawa; J. Sakuraba; K. Watazawa; T. Hasebe; K. Jikihara; M. Ishihara; Y. Yamada

Practical use of a liquid helium-free superconducting magnet

K. Watanabe, T. Masumoto, S. Awaji, M. Motokawa, J. Sakuraba, K. Watazawa, T. Hasebe, K. Jikihara, M. Ishihara, Y. Yamada

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

2 被引用数 (Scopus)

抄録

A cryocooler-cooled 4.6 T superconducting magnet with a 38 mm room temperature bore, which consists of a low-T_c Nb₃Sn coil and high-T_c Bi₂Sr₂Ca₂Cu₃O₁₀ current leads, has been working in vacuum for about 18000 cooling hours without trouble. It is found that the high-T_c current leads can hold excellent superconducting properties for a long enough time to be practically used. As a next step, we have succeeded in the construction of a 10.7 T-52 mm room temperature bore and a 5.7 T-220 mm room temperature bore liquid helium-free superconducting magnet.

本文言語	English
ページ（範囲）	411-414
ページ数	4
ジャーナル	Science Reports of the Rerearch Institutes Tohoku University Series A-Physics
巻	42
号	2
出版ステータス	Published - 1996 5 1

ASJC Scopus subject areas

Condensed Matter Physics
Metals and Alloys

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引用スタイル

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abstract = "A cryocooler-cooled 4.6 T superconducting magnet with a 38 mm room temperature bore, which consists of a low-Tc Nb3Sn coil and high-Tc Bi2Sr2Ca2Cu3O10 current leads, has been working in vacuum for about 18000 cooling hours without trouble. It is found that the high-Tc current leads can hold excellent superconducting properties for a long enough time to be practically used. As a next step, we have succeeded in the construction of a 10.7 T-52 mm room temperature bore and a 5.7 T-220 mm room temperature bore liquid helium-free superconducting magnet.",

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AU - Watanabe, K.

AU - Masumoto, T.

AU - Awaji, S.

AU - Motokawa, M.

AU - Sakuraba, J.

AU - Watazawa, K.

AU - Hasebe, T.

AU - Jikihara, K.

AU - Ishihara, M.

AU - Yamada, Y.

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AB - A cryocooler-cooled 4.6 T superconducting magnet with a 38 mm room temperature bore, which consists of a low-Tc Nb3Sn coil and high-Tc Bi2Sr2Ca2Cu3O10 current leads, has been working in vacuum for about 18000 cooling hours without trouble. It is found that the high-Tc current leads can hold excellent superconducting properties for a long enough time to be practically used. As a next step, we have succeeded in the construction of a 10.7 T-52 mm room temperature bore and a 5.7 T-220 mm room temperature bore liquid helium-free superconducting magnet.

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