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Insulation for Wind and React High Temperature Superconducting Coils

  • I. H. Mutlu
  • Y. S. Hascicek
Part of the Advances in Cryogenic Engineering book series (ACRE, volume 44)

Abstract

A thin, thermally stable, well-adhered insulation is needed for the fabrication of High Temperature Superconducting (HTS) coils. Due to the brittle nature of HTS materials the Wind and React (W & R) approach is employed. Therefore one has to use high temperature compatible insulating material for providing the turn to turn electrical insulation in the W&R HTS coils. A sol-gel ceramic based insulation coating process has been developed at the National High Magnetic Field Laboratory (NHMFL) for providing such insulation. Optical microscopy, Environmental Scanning Electron Microscopy (ESEM), and X-Ray Diffraction (XRD) were used to study the microstructure and phase composition of insulation coatings obtained. A stack of six double pancakes which was fabricated using this sol-gel insulation coating for turn-to-turn electrical insulation produced 1.2 T in a background field of 17.5 T at 4.2K.

Keywords

High Temperaturc Superconductor Environmental Scan Electron Microscopy Electrical Insulation Insulation Coating Zirconia Coating 
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 1998

Authors and Affiliations

  • I. H. Mutlu
    • 1
  • Y. S. Hascicek
    • 1
  1. 1.National High Magnetic Field LaboratoryFlorida State UniversityTallahasseeUSA

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