Construction of a strong magnetic field generator with use of melt-processed bulk superconductors

T. Oka, K. Yokoyama, Y. Itoh, H. Ikuta, U. Mizutani, H. Okada, K. Katagiri, K. Noto

研究成果: Conference article査読

13 被引用数 (Scopus)


A superconducting permanent magnet system capable of generating strong magnetic fields has been constructed by using melt-processed bulk superconductors as trapped field magnets. The trapped field in the open space between two magnetic poles that are set face to face has reached 3.15 T when magnetized by a pulsed-fleld magnetization (PFM) technique. That was operated at 30 K attained by GM-cycle refrigerators. The performance exceeds that of conventional rare earth magnets or large scale electromagnets by far. It was found that the iteratively magnetizing pulsed field operation with reducing amplitude (IMRA) method is very effective in magnetizing the bulk superconductors. The magnet system can be used as a high field generator in various applications.

ジャーナルIEEE Transactions on Applied Superconductivity
2 II
出版ステータスPublished - 2003 6
イベント2002 Applied Superconductivity Conference - Houston, TX, United States
継続期間: 2002 8 42002 8 9

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Electrical and Electronic Engineering

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