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Magnetic Properties of Multifilamentary Nb3Sn Composites

  • S. S. Shen
Part of the Cryogenic Materials Series book series (CRYMS)

Abstract

Magnetic behavior of composite superconductors depends strongly on the distribution and the properties of superconducting filaments and the matrix materials. This paper presents experimental results of magnetization measurements on both conventional internal-bronze wires and in-situ composites. The results are presented in M-H curves and analyzed in terms of filamentary magnetization and coupling magnetization. For comparison, results of a typical NbTi-Cu matrix wire are also presented. Techniques to maintain the individuality of each filament under external field change are reviewed and discussed in detail, ac loss analysis of each type of composite for certain possible technical applications is emphasized.

Keywords

Hysteresis Loss Pickup Coil Partial Penetration Effective Resistivity Composite Wire 
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References

  1. 2.
    G. R. Wagner, S. S. Shen, R. E. Schwall, A. Petrovich, and M. S. Walker: IEEE Trans. Magn. MAG-15: 228 (1979).Google Scholar
  2. 3.
    D. K. Finnemore, J. D. Verhoeven, E. D. Gibson, and J. E. Ostenson: IEEE Trans. Magn. MAG-15: 693 (1979).Google Scholar
  3. 4.
    S. S. Shen and R. E. Schwall: Proc. 7th Int. Cryogenic Eng. Conf., IPC Science and Technology Press, Surrey (1979).Google Scholar
  4. 5.
    W. A. Fietz, private communication.Google Scholar
  5. 6.
    S. S. Shen, “Magnetic Properties of NbßSn Composites Made Without Intermediate Annealing”, to be published.Google Scholar

Copyright information

© Plenum Press, New York 1980

Authors and Affiliations

  • S. S. Shen
    • 1
  1. 1.Oak Ridge National LaboratoryOak RidgeUSA

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