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INFLUENCE OF THE INTERMEDIATE PRESSING PROCESS ON CRITICAL-CURRENT DENSITY OF BISMUTH-LEAD-STRONTIUM-CALCIUM-COPPER-OXIDE SUPERCONDUCTING TAPES.

[In Japanese. / En japonais.]

Author(s) : YAMADA Y.

Type of article: Article

Summary

THE INFLUENCE OF AN INTERMEDIATE PRESSING PROCESS ON THE SUPERCONDUCTING PROPERTIES OF SILVER SHEATHED BISMUTH-LEAD-STRONTIUM-CALCIUM-COPPER-OXIDE SUPERCONDUCTING TAPES WAS INVESTIGATED. THE CRITICAL-CURRENT DENSITY WAS IMPROVED BY THE EFFECT OF A UNIAXIAL PRESSING AND SINTERING AFTER THE INITIAL SINTERING. THE MAXIMUM TRANSPORT CRITICAL-CURRENT DENSITY AT 77 K UNDER A ZERO MAGNETIC FIELD WAS INDICATED TO BE 29.000 A/CM2, AND AT 4.2 K UNDER ZERO MAGNETIC FIELD WAS INDICATED TO BE 150.000 A/CM2. THE CRITICAL-CURRENT DENSITY AT 4.2 K AND 12 T WAS SHOWN TO BE 50.000 A/CM2 WHEN THE MAGNETIC FIELD WAS APPLIED PARALLEL TO THE WIDTH OF THE TAPE, AND 30.000 A/CM2 UNDER THE CONDITION OF A PERPENDICULAR APPLIED MAGNETIC FIELD.

Details

  • Original title: [In Japanese. / En japonais.]
  • Record ID : 1991-2395
  • Languages: Japanese
  • Source: Cryogenics/ Cryog. Eng. - vol. 25 - n. 2
  • Publication date: 1990
  • Document available for consultation in the library of the IIR headquarters only.

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