• Effect of magnetic field, thermal cycling and bending strain on critical current density of multifilamentary Bi-2223/Ag tape and fabrication of a pancake coil

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      https://www.ias.ac.in/article/fulltext/boms/020/07/0921-0932

    • Keywords

       

      Multifilamentary Bi-2223/Ag tape; powder-in-tube technique; critical current density; thermal cycling; bending strain; pancake coil

    • Abstract

       

      Multifilamentary HTSC tapes are important for their applications in various electrical devices. Powder-in-tube technique with improved optimized synthesis parameters is regarded as one of the most promising ways to prepare long-length multifilamentary Bi-2223/Ag tapes. Nevertheless, usefulness of such tapes depends on their electrical and mechanical properties. Critical current density of a Bi-2223/Ag tape with 37 filaments has been studied at 77 K with field, field orientation, thermal cycling and bending strain as parameters. Results have been discussed in light of various mechanisms and models. A small pancake coil has been fabricated out of the same tape and the test results presented.

    • Author Affiliations

       

      T K Dey1 M K Chattopadhyay1

      1. Cryogenic Engineering Centre, Indian Institute of Technology, Kharagpur - 721 302, India
    • Dates

       
  • Bulletin of Materials Science | News

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