Pulsed-field magnetization of a bulk superconductor with small holes

K. Yokoyama, T. Oka, N. Kondo, S. Hosaka

研究成果: Article

7 引用 (Scopus)

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Recent enlargement of the size and the performance enhancement of bulk superconductor lead to the difficulty of magnetic flux trapping by a pulsed-field magnetization. This paper proposes the bulk material with small holes which makes the role of an artificial magnetic flux path to supply the flux in the bulk. The fundamental experiment of applying a single pulsed-field with varying amplitudes was carried out using a ∅60 mm × 20 mm GdBa2Cu3O7-x bulk material with four ∅2 mm holes filled up with solder. Compared with a usual hole-less bulk, the total magnetic flux and the maximum trapped flux density were greatly increased in a low applied field. Moreover, those large reduction caused by flux flow was suppressed in a high applied field.

元の言語English
ページ(範囲)343-347
ページ数5
ジャーナルPhysica C: Superconductivity and its applications
484
DOI
出版物ステータスPublished - 2013 1 15
外部発表Yes

ASJC Scopus subject areas

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

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