Analytical technique for deriving the distribution of critical currents in a superconducting wire

Warnes, W. H.; Larbalestier, D. C.
May 1986
Applied Physics Letters;5/19/1986, Vol. 48 Issue 20, p1403
Academic Journal
The derivation of the critical current or critical current density distribution from an analysis of the voltage-current characteristic of a composite superconductor is discussed. Critical current distributions have been obtained for three Nb-Ti composites in quite different metallurgical states. The distribution is shown to be markedly broadened when sausaged filaments produce an extrinsic limit on the composite critical current.


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