Heavily cold worked high-purity Ta as a reinforcing stabilizer

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

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

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.

Original languageEnglish
Pages (from-to)880-883
Number of pages4
JournalIEEE Transactions on Magnetics
Volume28
Issue number1
DOIs
Publication statusPublished - 1992 Jan 1

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Electrical and Electronic Engineering

Fingerprint Dive into the research topics of 'Heavily cold worked high-purity Ta as a reinforcing stabilizer'. Together they form a unique fingerprint.

  • Cite this

    Matsukawa, M., Noto, K., Katagiri, K., Matsuura, N., Ikebe, M., Takahashi, C., Fukutsuka, T., & Watanabe, K. (1992). Heavily cold worked high-purity Ta as a reinforcing stabilizer. IEEE Transactions on Magnetics, 28(1), 880-883. https://doi.org/10.1109/20.120019