Cryocooler-cooled high field superconducting magnet

Kazuo Watanabe, Tsuyoshi Masumoto, Satoshi Awaji, Junji Sakuraba, Keiichi Watazawa, Tsuginori Hasebe, Kazunori Jikihara, Yutaka Yamada, Mamoru Ishihara

Research output: Contribution to journalArticlepeer-review

Abstract

A high field NbTi/Nb3Sn superconducting magnet with no use of liquid helium was developed by adopting high-Tc Bi2Sr2Ca2Cu3O10 current leads and 4 K GM-cryocoolers. The initial cooldown from room temperature to 4.1 K for the coil was attained within 40 hours by conductively cooling in vacuum. The cryocooler-cooled superconducting magnet successfully achieved to generate a central field of 10.7 T in a 52 mm room temperature experimental bore, and to hold a field at 10.5 T for 24 hours.

Original languageEnglish
Pages (from-to)2745-2746
Number of pages2
JournalCzechoslovak Journal of Physics
Volume46
Issue numberSUPPL. 5
DOIs
Publication statusPublished - 1996 Dec 1

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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