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Uniform trapped fields produced by stacks of HTS coated conductor tape
Date
2016
Abstract
The trapped magnetic field profile of stacks of GdBa2Cu3O7-x superconducting tape was investigated. Angled stacks of superconducting tape were magnetized and found to produce very uniform trapped field profiles. The angled stacks were made of 12 mm x 24 mm solder coated tape pieces and were bonded together following a brief consolidation heat treatment. Layering multiple stacks together and adding a ferromagnetic plate beneath the samples were both found to enhance the magnitude and uniformity of the trapped field profiles. Stationary and time-dependent critical state finite element models were also developed to complement the experimental results and investigate the magnetization process. The size and shapes possible with the angled stacks make them attractive for applications requiring uniform magnetic fields over larger areas than can be achieved with existing bulk rings or tape annuli.
Supervisor
Description
peer-reviewed
Publisher
IOP Publishing
Citation
Superconductor Science and Technology;29: 085008
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Glowacki_2016_uniform.pdf
Adobe PDF, 1.97 MB
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Funding code
Funding Information
Engineering and Physical Sciences Research Council (EPSRC)