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Development of Superconducting Wires for Fusion Application

  • C. E. Bruzek
  • P. Suiten
  • P. Mocaer
  • P. Mougenot
  • F. Peltier
  • G. Grunblutt
Part of the Advances in Cryogenic Engineering Materials book series (ACRE, volume 42)

Abstract

Five Nb3Sn strands have been processed to achieve the compromise between high current density and low hysteresis losses. This work was performed in the framework of Phase II ITER program. Kilometric lengths have been industrially manufactured. As a result, Jcnon Cu (4.2K, 12T) up to 670 A/mm2 with non Cu hysteresis losses (±3T) of 590 mJ/cm3 have been measured. However superconducting properties should be enhanced by using heat treatments adapted to the specific strand design. Cr diffusion was identified as the major cause of RRR degradation. Feasibility of NbTi45.6wt% wires with an intermediate resistive barrier for poloidal coils is also demonstrated.

Keywords

Heat Treatment Hysteresis Loss Filament Diameter Eddy Current Test High Critical Current Density 
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 1996

Authors and Affiliations

  • C. E. Bruzek
    • 1
  • P. Suiten
    • 1
  • P. Mocaer
    • 1
  • P. Mougenot
    • 1
  • F. Peltier
    • 1
  • G. Grunblutt
    • 1
  1. 1.GEC Alsthom Power Generation/AsiaBelfortFrance

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