National Changhua University of Education Institutional Repository : Item 987654321/15345
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题名: Development of High-Tc Superconducting Bi-2223 Tape Joints
作者: Chen, K.;Tai, C. H.;Horng, Lance
贡献者: 物理學系
日期: 1996-06
上传时间: 2013-02-05T02:17:45Z
出版者: SpringerLink
摘要: High-T c superconducting joints between Ag-clad Bi-2223 tapes have been developed for persistent current applications. Two presintered tapes with one side of the silver stripped were lapped and then wrapped by a silver foil. The complex was uniaxially pressed followed by appropriate sintering to form a high-T c superconducting tape joint. It was found that the ratio of critical currents through the joint to that of the tape,I cj/Ic, depended on the uniaxial pressure and the sintering conduction. At liquid-nitrogen temperature 77 K,I cj/Ic=99% has been achieved. Persistent current loops formed by Bi-2223 tapes have also been fabricated and tested. Joint resistance of a loop was determined to be 4×10–13 between the decay time of 120 and 3600 sec.
關聯: Journal of Superconductivity, 9(3): 281-285
显示于类别:[物理學系] 期刊論文

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