Effect Of Intermediate Rolling On The Transport Properties Of Ag-Sheathed (Bi,Pb)2Sr2Ca2Cu3Ox Superconductor Tapes

Abd Shukor, Roslan and Chen, Soo Kien and Lau, Kok Tee (2002) Effect Of Intermediate Rolling On The Transport Properties Of Ag-Sheathed (Bi,Pb)2Sr2Ca2Cu3Ox Superconductor Tapes. Superconductor Science And Technology, 15 (3). pp. 351-355. ISSN 0921-4534

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Abstract

We have studied the transport properties of Ag-sheathed (Bi,Pb)2Sr2Ca2Cu3Ox (Bi-2223/Ag) superconductor tapes prepared by different thermo-mechanical treatments from the aspects of structural quality and the intermediate rolling effect. Intermediate rolling improved the self-field Jc of the tapes by a factor of three compared to tapes without intermediate rolling. A similar behaviour of Jc decreasing in the magnetic field was observed for all samples. It is suggested that weak and strong links play a role in the decrease. The contribution of strong links in all tapes is calculated and is briefly discussed. The pinning behaviour of the tapes in the applied field is discussed, and the critical magnetic fields at which the pinning force density vanished were found to be from 0.25 to 0.77 T. Intermediate rolling was found to improve the structural quality of the tapes.

Item Type: Article
Uncontrolled Keywords: Thermo-mechanical treatments, Intermediate rolling
Divisions: Faculty of Manufacturing Engineering > Department of Engineering Materials
Depositing User: Dr. Kok Tee Lau
Date Deposited: 19 Feb 2013 00:36
Last Modified: 09 Jul 2021 10:26
URI: http://eprints.utem.edu.my/id/eprint/6757
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