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Advances in Cryogenic Engineering Materials pp 753–759Cite as

Advances in Fabrication of Mono- and Multifilament Ag-Clad BSCCO Superconductors

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Part of the book series: Advances in Cryogenic Engineering ((ACRE,volume 42))

Abstract

Fabricating long lengths of robust and high-quality conductors is imperative for various applications of high-Tc superconductors. Long lengths of mono- and multifilament Ag-clad Bi-Sr-Ca-Cu-O conductors have been fabricated by the powder-in-tube technique. High values for critical current density (Jc) have been achieved in both short- and long-length conductors. Jc values up to 12,000 A/cm2 have been achieved in an 850-m-long multifilament conductor. Pancake-shaped coils and test magnets fabricated from long-length conductors were characterized at various temperatures and applied magnetic fields. A magnet containing 770 m of high-Tc conductor generated a record high field of ≈ 1 T at 4.2 K in a background field of ≈20 T. In-situ tensile and bending characteristics of both mono- and multifilament conductors have also been studied. Multifilament conductors exhibited better axial strain tolerance (ε ≈1%) than that of monofilament conductor (ε ≈0.2%), while retaining 90% of their initial critical current. An analysis of the results is presented, along with effects of parameters such as thickness, superconductor/Ag ratio, and microstructural details.

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Author information

Authors and Affiliations

  1. Energy Technology Division, Argonne National Laboratory, Argonne, IL, 60439, USA

    R. Jammy

  2. Intermagnetics General Corporation, Latham, NY, 12110, USA

    J. G. Hoehn Jr.

  3. Department of Applied Science, Brookhaven National Laboratory, Upton, NY, 11973, USA

    M. Suenaga

Authors
  1. U. Balachandran
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  2. A. N. Iyer
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  3. R. Jammy
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  4. P. Haldar
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  5. J. G. Hoehn Jr.
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  6. M. Suenaga
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Editor information

Editors and Affiliations

  1. Lawrence Livermore National Laboratory, University of California, Livermore, California, USA

    Leonard T. Summers

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© 1996 Springer Science+Business Media New York

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Balachandran, U., Iyer, A.N., Jammy, R., Haldar, P., Hoehn, J.G., Suenaga, M. (1996). Advances in Fabrication of Mono- and Multifilament Ag-Clad BSCCO Superconductors. In: Summers, L.T. (eds) Advances in Cryogenic Engineering Materials . Advances in Cryogenic Engineering Materials , vol 42. Springer, Boston, MA. https://doi.org/10.1007/978-1-4757-9059-7_101

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  • DOI: https://doi.org/10.1007/978-1-4757-9059-7_101

  • Publisher Name: Springer, Boston, MA

  • Print ISBN: 978-1-4757-9061-0

  • Online ISBN: 978-1-4757-9059-7

  • eBook Packages: Springer Book Archive

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