• DocumentCode
    1101633
  • Title

    Microstructures and DC critical currents in textured Y-Ba-Cu-oxides

  • Author

    Orehotsky, J. ; Wisemann, H. ; Moodenbaugh, A.R. ; Suenaga, M. ; Wang, H.-G. ; Herman, H.

  • Author_Institution
    Brookhaven Nat. Lab., Upton, NY, USA
  • Volume
    27
  • Issue
    2
  • fYear
    1991
  • fDate
    3/1/1991 12:00:00 AM
  • Firstpage
    914
  • Lastpage
    916
  • Abstract
    Sintered bars of Y-Ba-Cu oxide were partially melted using a quartz halogen lamp zone heating apparatus. The resulting multiphase samples showed varying degrees of melt texturing. It was found that the addition of YBa2CuO5 powders to the sintered YBa 2Cu3O7 prior to the zone melting process enhanced the growth of large textured grains. The best value of the critical current density was ~103 A/cm2 at 1.0 T and 77 K for the starting composition of YBa2Cu3O7-(0.2)Y2BaCuO5
  • Keywords
    barium compounds; critical current density (superconductivity); high-temperature superconductors; sintering; yttrium compounds; DC critical currents; YBa2Cu3O7; YBa2CuO5; critical current density; high temperature superconductor; melt texturing; multiphase samples; partially melted; sintered; zone melting process; Bars; Cooling; Critical current; Critical current density; Grain boundaries; Heating; Lamps; Microstructure; Powders; Temperature;
  • fLanguage
    English
  • Journal_Title
    Magnetics, IEEE Transactions on
  • Publisher
    ieee
  • ISSN
    0018-9464
  • Type

    jour

  • DOI
    10.1109/20.133326
  • Filename
    133326