Il Nuovo Cimento D

, Volume 19, Issue 8–9, pp 1463–1468 | Cite as

Long lengths of mono- and multi-filamentary Ag-sheathed Bi(2223) tapes

  • G. Grasso
  • F. Marti
  • Y. Huang
  • R. Flükiger


By optimising the tape fabrication process, high critical current densities over long lengths (up to 25 m) of Bi,Pb(2223) Ag-sheathed tapes were reproducibly achieved. The Jc values of multifilamentary tapes (up to 55 filaments) are typically in the range of 25-30 kA/cm2 at 77 K, while Jc values up to 35 kA/cm2 were recently achieved for monofjlamentary tapes of 0.5 m in length. Detailed measurements of the transport properties of short tapes as well as of test pancakes are presented. The employment of these tapes in the fabrication of superconducting coils have been also discussed.

PACS 74.72

High-Tc compounds 

PACS 74.72.Hs

Bi-based compounds 

PACS 01.30.Cc

Conference proceedings 


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Copyright information

© Società Italiana di Fisica 1997

Authors and Affiliations

  • G. Grasso
    • 1
  • F. Marti
    • 1
  • Y. Huang
    • 1
  • R. Flükiger
    • 1
  1. 1.Département de Physique de la Matière CondenséeSwitzerland

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