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Residual stress and the critical current in superconducting tapes

โœ Scribed by E.C.L. Chesneau; B.A. Glowacki; I. MacDougall

Publisher
Elsevier Science
Year
1997
Tongue
English
Weight
493 KB
Volume
37
Category
Article
ISSN
0011-2275

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โœฆ Synopsis

The critical current density in single core superconducting tapes has been observed to vary across the width of the tape. It was not known whether this was due to the stresses induced by cooling after heat treatment during the manufacture of such tapes. Finite element modelling of the thermal stresses in a single core Ag-(Bi,Pb),Sr,Ca,Cu,O, superconducting tape has been carried out. This shows that the critical current density distribution seen is not due to the stresses within the tape, nor is it an artefact of the experimental methods that have been used to determine the distribution.

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