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PROCESSING OF SINGLE-PHASE CERAMIC YBACUO 123 SUPERCONDUCTOR BY HOT PRESSING.

Author(s) : PANDEY R. K.

Type of article: Article

Summary

POLYCRYSTALLINE SAMPLES OF HIGH-TEMPERATURE SUPERCONDUCTING YBACUO 123, EXHIBIT: (1) DENSITIES UP TO 82% OF THE THEORETICAL VALUE ; (2) A SHARP PHASE TRANSITION BETWEEN THE NORMAL AND SUPERCONDUCTING STATES AT 91.6 K ; (3) A REDUCED DEPENDENCE ON THERMAL CYCLING EFFECTS AND ON EXCITATION CURRENTS IN RESISTIVITY MEASUREMENTS ; AND (4) A REDUCTION IN SURFACE DETERIORATION DUE TO WATER, AIR, AND ACID ATTACK. THE HOT-PRESSED SAMPLES SUPPORTED CURRENT DENSITIES AT LEAST 2 ORDERS OF MAGNITUDE GREATER THAN THOSE FOUND IN COLD-PRESSED SAMPLES MEASURED UNDER SIMILAR CONDITIONS.

Details

  • Original title: PROCESSING OF SINGLE-PHASE CERAMIC YBACUO 123 SUPERCONDUCTOR BY HOT PRESSING.
  • Record ID : 1990-0026
  • Languages: English
  • Source: J. Supercond. - vol. 1 - n. 1
  • Publication date: 1988/03
  • Document available for consultation in the library of the IIR headquarters only.

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