高強度パンケーキコイル構造（Yoroi-coil）の開発

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書誌事項

タイトル別名
  • Development of High-strength Pancake-coil Structure: “Yoroi-coil"
  • コウキョウド パンケーキコイル コウゾウ(Yoroi-coil)ノ カイハツ
  • Development of High-strength Pancake-coil Structure: “Yoroi-coil^|^quot;

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抄録

A high-strength pancake-coil structure called “Yoroi-coil" (Y-based oxide superconductor and reinforcing outer integrated coil), in which superconducting wire and the reinforcing outer plates of the coil withstand electromagnetic force, was developed for high magnetic field applications. The double-pancake (DP) coil of this coil structure was prepared and verified for durability against electromagnetic forces using the hoop stress test. The coil achieved 1.5 kA transporting at 4.2 K in an 8 T backup magnetic field without degradation of transport properties. Maximum hoop stress at the hoop stress test reached 1.74 GPa, based on the calculations. This result confirmed that the “Yoroi-coil" structure has the capability to withstand large hoop stress, which exceeds the tensile strength of Y-based coated conductors, not only owing to the strength of superconducting wire but also owing to the integration of the whole coil structure itself. Additionally, the strengthening effect of the structure was verified by analysis.

収録刊行物

  • 低温工学

    低温工学 48 (5), 213-219, 2013

    公益社団法人 低温工学・超電導学会 (旧 社団法人 低温工学協会)

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