Enhancement of Upper Critical Field and Critical Temperature by Prebending Process for Practical Nb3Sn Wires
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概要
- 論文の詳細を見る
It is recognized that the strain in Nb3Sn conductors is a serious problem, because it suppresses superconducting properties. We have proposed that prebending treatment, which means repeated bending loads, is one of the ways to control the strain state. The upper critical field and the critical temperature were examined for the prebent Nb3Sn wires. We found that the enhancement of the upper critical field from 23.7 T to 25.2 T at 4.5 K and the enhancement of the critical temperature from 17.4 K to 17.9 K were achieved for the CuNb-reinforced Nb3Sn wire by applying the prebending strain. Since these values are similar to those of the strain-free Nb3Sn bulk, the strain state of the wires is definitely optimized by the prebending treatment.
- Japan Society of Applied Physicsの論文
- 2004-06-01
著者
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WATANABE Kazuo
High Field Laboratory for Superconducting Materials, Institute for Materials Research, Tohoku Univer
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Awaji S
Institute For Materials Research Tohoku University
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Awaji Satoshi
Tohoku Univ. Sendai Jpn
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Awaji Satoshi
High Field Laboratory For Superconducting Materials Imr Tohoku University
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Awaji Satoshi
High Field Laboratory For Superconducting Material Institute For Material Research Tohoku University
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WATAZAWA Keiichi
Sumitomo Heavy Industries Ltd.
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NISHIJIMA Gen
High Field Laboratory for Superconducting Materials, Institute for Materials Research, Tohoku Univer
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Nishijima Gen
High Field Laboratory For Superconducting Materials Institute For Materials Research Tohoku Universi
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Watanabe Kazuo
High Field Laboratory For Superconducting Materials Institute For Materials Research Tohoku Universi
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OGURO Hidetoshi
High Field Lab. for Superconducting Materials, Institute for Materials Research, Tohoku University
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Watanabe K
High Field Laboratory For Superconducting Materials Institute For Materials Research Tohoku Universi
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Watanabe Kazuo
High Field Laboratory For Superconducting Materials Imr Tohoku University
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Oguro Hidetoshi
High Field Laboratory For Superconducting Materials Institute For Materials Research Tohoku Universi
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WATANABE Kazuo
High Field Lab. for Superconducting Materials, Institute for Materials Research, Tohoku University
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NISHIJIMA Gen
High Field Lab. for Superconducting Materials, Institute for Materials Research, Tohoku University
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