Processing and Properties of BSCCO 2212 Ag and Ag Alloy Multifilament Round Wires

  • G. B. Galinski
  • G. M. Ozeryansky
  • L. R. Motowidlo
Part of the Advances in Cryogenic Engineering Materials book series (ACRE, volume 42)

Abstract

Ag-sheathed Bi2Sr2CaCu2Ox round wires having 37, 259, and 703 filaments were fabricated by the oxide-powder-in-tube (OPIT) method. The wires were heat treated using step-solidification melt processing in pure O2. In addition to pure silver sheaths, wires with Ag-Al and Ag-Zr sheaths were also fabricated. The critical current density (Jc) at 4.2 K, zero field, shows significant improvement in strain tolerance for bending strains up to 1 % for dispersion strengthened multifilament 2212 wire designs over wires with pure silver sheaths. The transport critical current density at liquid helium temperature (4.2 K) approached 200,000 A/cm2 in zero field and 45,000 A/cm2 at 15 Tesla. At liquid neon temperature (27 K) the Jc was about 75,000 A/cm2 zero field and dropped rapidly to zero at 10 Tesla.

Keywords

Applied Magnetic Field Critical Current Density Zero Field Strain Tolerance Pure Silver 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media New York 1996

Authors and Affiliations

  • G. B. Galinski
    • 1
  • G. M. Ozeryansky
    • 1
  • L. R. Motowidlo
    • 1
  1. 1.IGC Advanced SuperconductorsWaterburyUSA

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