Effect of core inhomogeneity on strain tolerance of Bi-2223 composite conductors

N. Vasanthamohan, T. B. Peterson, J. P. Singh, V. K. Vlasko-Vlasov, U. Welp, M. T. Lanagan, G. W. Crabtree

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

Effects of bend strains on monocore Bi-2223 tapes were studied by transport measurements, magneto-optical imaging and electron microscopy. The strain tolerance of tapes that were sintered for 100 (uniform and well-textured microstructure with high Ic) and 50 h (nonuniform microstructure with low Ic) was evaluated. The strain tolerance of the 100-h sintered tape was superior to that of the 50-h sintered tape. We have shown that the observed strain tolerance is largely determined by the interplay of nonuniform strains and microstructural variation across the tape cross section, leading to nonuniform Ic values. An explanation that accounts for an observed concentration of the critical-current density at the Ag/BSCCO interface was presented for the measured strain dependence of the retained Ic.

Original languageEnglish (US)
Pages (from-to)94-98
Number of pages5
JournalSuperconductor Science and Technology
Volume15
Issue number1
DOIs
StatePublished - Jan 1 2002

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Condensed Matter Physics
  • Metals and Alloys
  • Electrical and Electronic Engineering
  • Materials Chemistry

Fingerprint Dive into the research topics of 'Effect of core inhomogeneity on strain tolerance of Bi-2223 composite conductors'. Together they form a unique fingerprint.

Cite this