Heavily cold worked high-purity Ta as a reinforcing stabilizer

M. Matsukawa, K. Noto, K. Katagiri, N. Matsuura, M. Ikebe, C. Takahashi, T. Fukutsuka, K. Watanabe

研究成果: Article査読

10 被引用数 (Scopus)

抄録

Mechanical and electrical properties have been studied for a heavily cold worked high-purity Ta wire. Tensile test at room temperature shows a large 0.2% proof stress of about 70 kg/mm2, which is probably caused by work-hardening in the wire drawing process. Our observations of fracture surfaces using a scanning electron microscope indicate that this material is very ductile. Moreover, this sample has a low resistivity of about 0.4 µ Ω cm even at the high field of 15 T. The residual resistivity ratio is about 80, which is consistent with high purity of the sample. Therefore, it has been found that the cold-worked Ta wire is applicable to a reinforcing stabilizer for conductors of large scale and/or high-field superconducting magnets.

本文言語English
ページ(範囲)880-883
ページ数4
ジャーナルIEEE Transactions on Magnetics
28
1
DOI
出版ステータスPublished - 1992 1月
外部発表はい

ASJC Scopus subject areas

  • 電子材料、光学材料、および磁性材料
  • 電子工学および電気工学

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