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説明:

We clarify the relationship between the angular dependence of critical current in a Bi-2223 superconducting joint and grain alignment in an intermediate layer of the joint. The angular dependence of critical current for the superconducting joint is discussed using a model to describe that for a Bi-2223 tape. Considering an angle of the c-axis grain misalignment, the angular dependence is calculated. The microstructures of the intermediate layer are observed to evaluate the misalignment angle. The misalignment angle used in calculating the angular dependence is validated. We can conclude that the c-axis grain alignment in the intermediate layer determines the angular dependence of critical current in the superconducting joint.

権利情報:

• Creative Commons BY-NC-ND Attribution-NonCommercial-NoDerivs 4.0 International
  

キーワード: Bi-2223 tape, critical current, HTS magnets

刊行年月日: 2023-12-04

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 6400305

研究助成金:

• JST-Mirai Program JPMJMI17A2
• JSPS KAKENHI JP22K14482

原稿種別: 出版者版 (Version of record)

MDR DOI:

公開URL: https://doi.org/10.1109/tasc.2023.3338587

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更新時刻: 2024-04-05 12:30:26 +0900

MDRでの公開時刻: 2024-04-05 12:30:26 +0900