Uniform performance of continuously processed MOD-YBCO-coated conductors using a textured Ni-W substrate

  • D. T. Verebelyi
  • , U. Schoop
  • , C. Thieme
  • , X. Li
  • , W. Zhang
  • , T. Kodenkandath
  • , A. P. Malozemoff
  • , N. Nguyen
  • , E. Siegal
  • , D. Buczek
  • , J. Lynch
  • , J. Scudiere
  • , M. Rupich
  • , A. Goyal
  • , E. D. Specht
  • , P. Martin
  • , M. Paranthaman

Research output: Contribution to journalArticlepeer-review

99 Scopus citations

Abstract

Second-generation coated conductor composite HTS wires have been fabricated using a continuous reel-to-reel process with deformation-textured Ni-W substrates and a metal-organic deposition process for YBa2Cu3O7-x. Earlier results on 1 m long and 1 cm wide wires with 77 K critical current performance greater than 100 A cm-1 width have now been extended to 7.5 m in length and even higher performance, with one wire at 132 and another at 127 A cm-1 width. Performance as a function of wire length is remarkably uniform, with only 2-4% standard deviation when measured on a 50 cm length scale. The length-scale dependence of the deviation is compared with a statistical calculation.

Original languageEnglish
Pages (from-to)L19-L22
JournalSuperconductor Science and Technology
Volume16
Issue number5
DOIs
StatePublished - May 2003

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