First performance test of the cryogenfree hybrid magnet

Kazuo Watanabe, Satoshi Awaji, Kohki Takahashi, G. Nishijima, M. Motokawa, K. Jikihara, M. Ishizuka, J. Sakuraba

研究成果: Conference article査読

7 被引用数 (Scopus)


We are now constructing a cryogenfree 23 T hybrid magnet at the High Field Laboratory for Superconducting Materials, Institute for Materials Research, Tohoku University. At present, an outer section coil employing NbTi multifilamentary wires for a cryogenfree superconducting magnet of the hybrid magnet was combined with an inner 15.5 T water-cooled resistive magnet, and was tested as the world's first cryogenfree hybrid magnet. The NbTi coil with 491 mm inner diameter and 584 mm outer diameter generated 4.59 T at 198 A, and the central magnetic field of 20.0 T was generated in a 52 mm room temperature experimental bore. The magnetic force field of 2030 T2/m was obtained, and a piece of paraffin was levitated at 1200 T2/m. Using a CO2 laser combined with the cryogenfree hybrid magnet, a containerless melting experiment in magnetic levitation was demonstrated easily for paraffin.

ジャーナルIEEE Transactions on Applied Superconductivity
2 II
出版ステータスPublished - 2003 6 1
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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