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Improvement of Ic degradation of HTS Conductor (FAIR Conductor) and FAIR Coil Structure for Fusion Device
http://hdl.handle.net/10655/00012590
http://hdl.handle.net/10655/0001259003b145f2-4880-47a7-a0c5-973e83072e46
名前 / ファイル | ライセンス | アクション |
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IEEE_Trans.Appl.Superconduc.31_pp4202505 (2.7 MB)
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Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2021-07-15 | |||||
タイトル | ||||||
タイトル | Improvement of Ic degradation of HTS Conductor (FAIR Conductor) and FAIR Coil Structure for Fusion Device | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Fusion device | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | HIT magnet | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | REBCO | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | FAIR conductor | |||||
キーワード | ||||||
主題Scheme | Other | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | journal article | |||||
著者 |
Mito, Toshiyuki
× Mito, Toshiyuki× Onodera, Yuta× Otsuji, Maki× Hirano, Naoki× Takahata, Kazuya× YANAGI, Nagato× Iwamoto, Akifumi× Hamaguchi, Shinji× Takada, Suguru× BABA, Tomosumi× Chikumoto, Noriko× KAWAGOE, Akifumi× Kawanami, Ryozo |
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著者ID | ||||||
内容記述タイプ | Other | |||||
内容記述 | 0000-0002-1705-9039 | |||||
抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | As a high-temperature superconducting (HTS) conductor with a large current capacity applicable to a nuclear fusion experimental device, REBCO (REBa 2 CuO y ) tapes and high-purity aluminum sheets are alternately laminated, placed in a groove of an aluminum alloy jacket having a circular cross section, and the lid is friction-stir welded. To make the current distribution and mechanical characteristics uniform, the conductor is twisted at the end of the manufacturing process. In the early prototype conductor, when the I c was measured in liquid nitrogen under self-magnetic field conditions, I c degradations were observed from the beginning, and the characteristic difference between the two prototype samples under the same manufacturing conditions were large. Furthermore, I c degradation was progressed by repeating the thermal cycle from room temperature to liquid nitrogen temperature. This I c degradation did not occur uniformly in the longitudinal direction of the conductor but was caused by local I c degradation occurring at multiple locations. If the conductor was not manufactured uniformly in the longitudinal direction, the difference in thermal shrinkage between the REBCO tape and the aluminum alloy jacket caused local stress concentration in the REBCO tape and buckling occurred. Element experiments to explain this mechanism were conducted to clarify the conditions under which I c degradation due to buckling occurs. Then prototype conductors were tested with improved manufacturing methods, and as a result, I c degradation could be suppressed to 20% or less. We have achieved the prospect of producing a conductor with uniform characteristics in the longitudinal direction. | |||||
書誌情報 |
IEEE Transactions on Applied Superconductivity 巻 31, 号 5, p. 4202505, 発行日 2021-08 |
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出版者 | ||||||
出版者 | IEEE | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 10518223 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA10791666 | |||||
DOI | ||||||
関連タイプ | isVersionOf | |||||
識別子タイプ | DOI | |||||
関連識別子 | 10.1109/TASC.2021.3069923 | |||||
権利 | ||||||
権利情報 | (c) 2021 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. | |||||
情報源 | ||||||
関連名称 | T. Mito et al., "Improvement of Ic degradation of HTS Conductor (FAIR Conductor) and FAIR Coil Structure for Fusion Device," in IEEE Transactions on Applied Superconductivity, vol. 31, no. 5, pp. 1-5, Aug. 2021, Art no. 4202505, doi: 10.1109/TASC.2021.3069923. | |||||
関連サイト | ||||||
識別子タイプ | DOI | |||||
関連識別子 | https://doi.org/10.1109/TASC.2021.3069923 | |||||
関連名称 | Publisher version | |||||
著者版フラグ | ||||||
出版タイプ | AM | |||||
出版タイプResource | http://purl.org/coar/version/c_ab4af688f83e57aa | |||||
NAIS | ||||||
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