Thermal stability of reinforced Nb3Sn composite superconductor under cryocooled conditions

Tsuyoshi Yamamoto, Kenji Watanabe, Satoru Murase, Gen Nishijima, Kazuo Watanabe, Akio Kimura

研究成果: Article査読

10 被引用数 (Scopus)

抄録

Several types of reinforced Nb3Sn wires have been developed to prevent reduction of superconducting properties by applying a strong electromagnetic force. To fabricate a cryocooled magnet using those reinforced wires, we experimentally measured the minimum quench energy (MQE) under cryocooled conditions of some reinforced Nb3Sn wires. As a result, it became clear that thermal stability expressed as MQE was controlled by the temperature margin between the temperature of the operating condition and the transition temperature from superconductivity to normal. Using the FEM analysis, it was realized that the cause of the decline in thermal stability for the reinforced wires was the low thermal conductivity of the reinforced materials.

本文言語English
ページ(範囲)687-693
ページ数7
ジャーナルCryogenics
44
10
DOI
出版ステータスPublished - 2004 10

ASJC Scopus subject areas

  • 材料科学(全般)
  • 物理学および天文学(全般)

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