Applications of superconducting permanent magnets driven by static and pulsed fields

Uichiro Mizutani, Hiroshi Ikuta, Tetsuhisa Hosokawa, Hiromasa Ishihara, Kouichi Tazoe, Tetsuo Oka, Yoshitaka Itoh, Yousuke Yanagi, Masaaki Yoshikawa

Research output: Contribution to journalConference article

27 Citations (Scopus)

Abstract

By making full use of an excellent trapped field performance of the c-axis oriented single-domain Ag-bearing Sm 123 superconductors with a diameter of 36 mm, we have developed several superconducting permanent magnet systems driven by static and pulsed fields. The Sm 123 superconductor can trap a magnetic field of 2.1 at 77 K and can increase its maximum trapped field to 9 T at 25 K in the static field cooling magnetization. A Nd-Fe-B plate (50 × 50 × 5 mm3) can be magnetized to the same level as that due to the uniform static magnetization by scanning it over the Sm 123 superconducting permanent magnet. The construction of a pulse field-driven face-to-face-type magnetic field generator capable of producing 1.8 T in an open space with a gap of 12 mm is also presented. We also suggest hollowed Sm 123 superconductors to serve as a permanent magnet providing a uniform magnetic field exceeding 2 T over the range up to 10 mm.

Original languageEnglish
Pages (from-to)836-840
Number of pages5
JournalSuperconductor Science and Technology
Volume13
Issue number6
DOIs
Publication statusPublished - 2000 Jun 1
Externally publishedYes
EventThe 2nd International Workshop on the Processing and Applications of Superconducting (RE)CBO Large Grain Materials - Morioka, Jpn
Duration: 1999 Oct 191999 Oct 22

Fingerprint

Superconducting magnets
superconducting magnets
permanent magnets
Permanent magnets
Superconducting materials
Magnetic fields
Magnetization
Bearings (structural)
magnetic fields
magnetization
generators
traps
Cooling
Scanning
cooling
scanning
pulses

ASJC Scopus subject areas

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

Cite this

Applications of superconducting permanent magnets driven by static and pulsed fields. / Mizutani, Uichiro; Ikuta, Hiroshi; Hosokawa, Tetsuhisa; Ishihara, Hiromasa; Tazoe, Kouichi; Oka, Tetsuo; Itoh, Yoshitaka; Yanagi, Yousuke; Yoshikawa, Masaaki.

In: Superconductor Science and Technology, Vol. 13, No. 6, 01.06.2000, p. 836-840.

Research output: Contribution to journalConference article

Mizutani, U, Ikuta, H, Hosokawa, T, Ishihara, H, Tazoe, K, Oka, T, Itoh, Y, Yanagi, Y & Yoshikawa, M 2000, 'Applications of superconducting permanent magnets driven by static and pulsed fields', Superconductor Science and Technology, vol. 13, no. 6, pp. 836-840. https://doi.org/10.1088/0953-2048/13/6/343
Mizutani, Uichiro ; Ikuta, Hiroshi ; Hosokawa, Tetsuhisa ; Ishihara, Hiromasa ; Tazoe, Kouichi ; Oka, Tetsuo ; Itoh, Yoshitaka ; Yanagi, Yousuke ; Yoshikawa, Masaaki. / Applications of superconducting permanent magnets driven by static and pulsed fields. In: Superconductor Science and Technology. 2000 ; Vol. 13, No. 6. pp. 836-840.
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