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Processing and properties of bulk BiSrCaCuO superconductors

  • K. C. Goretta
  • , M. T. Lanagan
  • , T. J. Brent
  • , S. E. Dorris
  • , J. Joo
  • , J. J. Picciolo
  • , R. A. Shearer
  • , J. P. Singh
  • , S. Wasylenko
  • , P. M. Winandy
  • , X. W. Wang
  • , C. A. Youngdahl
  • , R. B. Poeppel
  • , D. J. Miller
  • , T. G. Holesinger
  • , P. Kostic
  • , Nan Chen

Research output: Contribution to journalArticlepeer-review

Abstract

We fabricated bulk Bi2Sr2CaCu2Ox (2212) bars by directional solidification and bulk (Bi,Pb)2Sr2Ca2Cu3Ox (2223) bars by cold isostatic pressing and sintering or by sinter forging. Tc values were 92 K for the 2212 and 106-110 K for the 2223. Maximum transport Jc values at 77 K were 450 A/cm2 for the 2212, 1000 A/cm2 for the pressed and sintered 2223, and 8000 A/cm2 for the sinter-forged 2223. The 2212 bars exhibited the lowest strength and fracture toughness, and the sinter-forged 2223 the highest strength and toughness.

Original languageEnglish (US)
Pages (from-to)411-415
Number of pages5
JournalApplied Superconductivity
Volume2
Issue number6
DOIs
StatePublished - Jun 1994

All Science Journal Classification (ASJC) codes

  • General Engineering
  • General Physics and Astronomy

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