Transient Response and Stability Limits of Superconducting Composite Wire Following a Flux Jump

  • Y. Iwasa
  • D. B. Montgomery
Part of the Advances in Cryogenic Engineering book series (ACRE, volume 14)


An increasing number of superconducting magnet applications are arising in which space or weight limitations demand the use of high current densities. These high current densities, however, cannot, at present, be achieved by conductors stabilized at the critical current or by conductors stabilized at partial currents. The exception perhaps is in relatively small coils, in which degradation effects tend to be less severe. In large coils, particularly, the conductor is often prevented from carrying its critical current because of the heat released by the sudden penetration of field into the superconductor, known as a flux jump. Unless sufficient cooling is provided, the temperature rise accompanying this release of heat can result in a thermal instability.


Liquid Helium High Current Density Critical Current Threshold Current Transport Current 
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  1. 1.
    Y. Iwasa and D. B. Montgomery, Appl. Phys. Letters, 7:231 (1965).CrossRefGoogle Scholar
  2. 2.
    A. E. Bindari and M. M. Litvak, J. Appl. Phys., 34:2913 (1963).CrossRefGoogle Scholar

Copyright information

© Springer Science+Business Media New York 1969

Authors and Affiliations

  • Y. Iwasa
    • 1
  • D. B. Montgomery
    • 1
  1. 1.Francis Bitter National Magnet LaboratoryMassachusetts Institute of TechnologyCambridgeUSA

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