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HYSTERESIS LOSSES IN FINE FILAMENT INTERNAL-TIN SUPERCONDUCTORS.

Author(s) : GOLDFARB R. B., EKIN J. W.

Type of article: Article

Summary

HYSTERESIS LOSSES WERE MEASURED ON A SERIES OF FINE FILAMENT NIOBIUM-TIN SUPERCONDUCTORS MADE BY THE INTERNAL-TIN PROCESS. HYSTERESIS WAS MEASURED AS A FUNCTION OF FILAMENT DIAMETER AND INTERFILAMENT SEPARATION USING A VIBRATING SAMPLE MAGNETOMETER IN TRANSVERSE MAGNETIC FIELD. LOSSES WERE GREATER THAN EXPECTED FROM THE CRITICAL STATE MODEL THAT EXPRESSES LOSS AS A FUNCTION OF FILAMENT DIAMETER. MICROGRAPHS OF THE REACTED WIRE CROSS-SECTIONS SHOWED SOME INTERFILAMENT BRIDGING FOR ALL WIRES. THE CRITICAL INTERFILAMENT SEPARATION, ABOVE WHICH THE LOSSES WOULD BE EXPECTED TO FOLLOW THE CRITICAL STATE MODEL, WAS DETERMINED.

Details

  • Original title: HYSTERESIS LOSSES IN FINE FILAMENT INTERNAL-TIN SUPERCONDUCTORS.
  • Record ID : 1987-0855
  • Languages: English
  • Source: Cryogenics - vol. 26 - n. 8
  • Publication date: 1986

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