Performance of a 14-T CuNb/Nb3Sn Rutherford coil with a 300 mm wide cold bore

Hidetoshi Oguro, Kazuo Watanabe, Satoshi Awaji, Satoshi Hanai, Shigeru Ioka, Masahiro Sugimoto, Hirokazu Tsubouchi

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

A large-bore 14-T CuNb/Nb3Sn Rutherford coil was developed for a 25 T cryogen-free superconducting magnet. The magnet consisted of a low-temperature superconducting (LTS) magnet of NbTi and Nb3Sn Rutherford coils, and a high-temperature superconducting magnet. The Nb3Sn Rutherford coil was fabricated by the react-and-wind method for the first time. The LTS magnet reached the designed operation current of 854 A without a training quench at a 1 h ramp rate. The central magnetic field generated by the LTS magnet was measured by a Hall sensor to be 14.0 T at 854 A in a 300 mm cold bore.

Original languageEnglish
Article number084004
JournalSuperconductor Science and Technology
Volume29
Issue number8
DOIs
Publication statusPublished - 2016 Jun 30

Keywords

  • NbSn
  • Rutherford cable
  • cryogen-free
  • superconducting magne

ASJC Scopus subject areas

  • Ceramics and Composites
  • Condensed Matter Physics
  • Metals and Alloys
  • Electrical and Electronic Engineering
  • Materials Chemistry

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