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説明:

In this study, an experimental setup for Ic measurement under crossover contact stress in external magnetic fields, which is regarded as more realistic situation in CICC, was constructed. Then, we studied superconducting properties and microstructures of JA DEMO candidate reinforced Nb3Sn wires under crossover contact stress. CuNb-reinforced bronze-route Nb3Sn wires made by Furukawa Electric and distributed-tin (DT) Nb3Sn wires reinforced with brass matrix made by Kobe Steel were tested. The reinforced wires have shown better Ic properties against contact stress, compared with conventional Cu matrix wires. The brass matrix seems to be significantly effective in suppressing distortion in the filament region. The use of reinforced Nb3Sn wires increases the reliability of the TF magnet operation.

権利情報:

• In Copyright
  

  © 2024 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.

キーワード: Crossover contact stress, DEMO, Nb3Sn, Reinforcement

刊行年月日: 2024-02-06

出版者: Institute of Electrical and Electronics Engineers (IEEE)

掲載誌:

• IEEE Transactions on Applied Superconductivity (ISSN: 10518223) vol. 34 issue. 5 p. 1-5

研究助成金:

• QST Research Collaboration for Fusion DEMO 04K067

原稿種別: 著者最終稿 (Accepted manuscript)

MDR DOI: https://doi.org/10.48505/nims.4459

公開URL: https://doi.org/10.1109/tasc.2024.3362754

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更新時刻: 2026-02-06 08:30:08 +0900

MDRでの公開時刻: 2026-02-06 08:26:43 +0900