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Long multifilament bismuth-2223 silver-sheathed superconducting tapes and solenoids.

Author(s) : YAU J., LIU H. K., DOU S. X., KATSAROS A., SAVVIDES N.

Type of article: Article

Summary

Multifilament silver-sheathed BPSCCO superconducting tapes containing 49 filaments were fabricated by the powder-in-tube route and the roll-anneal process. The transport critical-current density was 1.3 x 10,000 amperes/cm2 at 77 K and 7 x 10.000 amperes/cm2 at 4.2 K in self field. A 12-m long tape was used to construct superconducting solenoids (50, 28, and 14 mm internal diameters) generating direct-current fields 380-1070 G at 4.2 K. Measurements of the variation of critical current density with field (0-1.6 T) and bend strain (0-5%) are used to explain the performance of the solenoids. The critical bend strain of tapes was about 1.5%.

Details

  • Original title: Long multifilament bismuth-2223 silver-sheathed superconducting tapes and solenoids.
  • Record ID : 1995-3394
  • Languages: English
  • Source: J. Supercond. - vol. 7 - n. 5
  • Publication date: 1994/10
  • Document available for consultation in the library of the IIR headquarters only.

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