- 期刊
- OpenAccess
High-T, Superconducting Joints for Ag-Clad Bi-2223 Tapes
並列摘要
A high-Tc, superconducting tape joint between two Xg-clad 81-2223 tapes has been fabricated and characterized. Two pre-sintered tapes with one side of the silver striped were lapped and then wrapped by a silver foil. The complex was uniaxially pressed and followed by appropriate sintering to form a high-Tc superconducting tape joint. Transport critical current through the joint (Icj) was determined at liquid nitrogen temperature. It was found that the ratio of critical currents through the joint to that of the tape, Icj/Ic depended on the uniaxial pressure and the sintering conduction. For a test sample, Icj/Ic reached 99%. Persistent current loops formed by Bi-2223 tapes have also been fabricated and tested. Joint resistance of a loop was determined to be～4x 10^-13 Ω after the initial decay time of 2 minutes.
並列關鍵字
無資料延伸閱讀
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