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EXPERIMENTAL STUDY OF ENERGY RELEASE DUE TO CRACKING OF EPOXY IMPREGNATED CONDUCTORS.

Author(s) : YANAGI H.

Type of article: Article

Summary

QUANTITATIVE MEASUREMENTS OF ENERGY RELEASE DUE TO MECHANICAL DISTURBANCE SUCH AS MICROCRACKING OR MICROSLIP BETWEEN LAYERS ARE REQUIRED FOR EVALUATING A QUENCH MARGIN STABILITY CRITERION OF SUPERCONDUCTING COILS. FOR THAT PURPOSE, THE AUTHORS MEASURED THE TEMPERATURE RISE DUE TO CRACKS WITHIN EPOXY, GLASS FIBRE REINFORCED PLASTIC (GFRP) AND COMPOSITE CONDUCTOR SPECIMENS BY LOADING MECHANICALLY. THE TEMPERATURE RISE WAS FOUND TO BE LARGE ENOUGH, OVER 10 K TO INITIATE A QUENCH AND THE LIBERATED ENERGY DUE TO A CRACK WAS EVALUATED TO BE 70,000 J/M3 FOR THE GFRP SPECIMENS.

Details

  • Original title: EXPERIMENTAL STUDY OF ENERGY RELEASE DUE TO CRACKING OF EPOXY IMPREGNATED CONDUCTORS.
  • Record ID : 1990-1798
  • Languages: English
  • Source: Cryogenics - vol. 29 - n. 7
  • Publication date: 1989

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