National Changhua University of Education Institutional Repository : Item 987654321/15345

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NCUEIR > College of Science > Department of Physics > Periodical Articles > Item 987654321/15345

Please use this identifier to cite or link to this item: http://ir.ncue.edu.tw/ir/handle/987654321/15345

Title:	Development of High-Tc Superconducting Bi-2223 Tape Joints
Authors:	Chen, K.;Tai, C. H.;Horng, Lance
Contributors:	物理學系
Date:	1996-06
Issue Date:	2013-02-05T02:17:45Z
Publisher:	SpringerLink
Abstract:	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.
Relation:	Journal of Superconductivity, 9(3): 281-285
Appears in Collections:	[Department of Physics] Periodical Articles

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