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

doi:10.1088/0953-2048/13/6/343

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

Department of Materials Science and Engineering

Research output: Contribution to journal › Conference article

28 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 language	English
Pages (from-to)	836-840
Number of pages	5
Journal	Superconductor Science and Technology
Volume	13
Issue number	6
DOIs	https://doi.org/10.1088/0953-2048/13/6/343
Publication status	Published - 2000 Jun 1
Event	The 2nd International Workshop on the Processing and Applications of Superconducting (RE)CBO Large Grain Materials - Morioka, Jpn Duration: 1999 Oct 19 → 1999 Oct 22

ASJC Scopus subject areas

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

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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, 13(6), 836-840. https://doi.org/10.1088/0953-2048/13/6/343

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 journal › Conference article

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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.",

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AU - Tazoe, Kouichi

AU - Oka, Tetsuo

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AU - Yanagi, Yousuke

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N2 - 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.

AB - 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.

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