Bi-based mono-core superconductor tapes : fabrication process and the effect of the thermomechanical treatment on the transport properties / K.T. Lau and R-Abd Shukor

Lau, K.T. and R-, Abd Shukor (2005) Bi-based mono-core superconductor tapes : fabrication process and the effect of the thermomechanical treatment on the transport properties / K.T. Lau and R-Abd Shukor. Science Letters, 2 (1). pp. 41-48. ISSN 1675-7785

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Abstract

Fabrication of the Bi-based tapes started with the preparation of its precursor powder with composition of Bi1.8 Pb 0.4 Sr2 Ca2.2 Cu3 O10+y. The post-annealed powder with a majority of 2212 phase was then ground before it was packed into a silver tube. Then the composite was sway-rolled and drawn into wire with diameter of 1.08 mm. To make it into tape form, the wire was cut into shorter length before went through rolling process using a roller machine. The tapes were divided into sample groups and underwent different thermo-mechanical treatments. All the final processed Bi-based tapes had mixed superconductor phases of 2223 and 2212. Most part of HTSC grains in the tapes melted during the sintering. Transport voltage-current characteristics of the tapes was found to obey the power law relationship. The thermo-mechanical treatment was found necessary to improve the structural quality of the tapes.

Item Type: Article
Uncontrolled Keywords: Bi-based tapes, powder-in-tube, thermo-mechanical treatment, superconductor
Subjects: Q Science > QC Physics > Electricity and magnetism
Divisions: Faculty of Applied Sciences
Depositing User: Staf Pendigitan 1
Date Deposited: 29 Apr 2015 02:44
Last Modified: 06 Sep 2016 04:59
URI: http://ir.uitm.edu.my/id/eprint/11791

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