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Mass production of niobium(3)-tin strands by internal tin diffusion process for the ITER (International Thermonuclear Experimental Reactor) project.

[In Japanese. / En japonais.]

Author(s) : EGAWA K., KUBO Y., NAGAI T., WAKATA M., UCHIKAWA F., TAGUCHI O., WAKAMOTO K., MORITA M., ISONO T., NUNOYA Y., YOSHIDA K., NISHI M., TSUJI H.

Type of article: Article

Summary

Mass-production strands meeting the ITER specifications were developed by arranging the filaments for a concentric circle and using a cupper-tantale barrier. As the result, the authors successfully completed manufacturing 600 km (2.75 tons) of strands having excellent properties. In the article, critical-current density was found to be improved by increasing the diameter of the tin core. These strands are expected to be applied for not only poroidal field coils but also toroidal field coils.

Details

  • Original title: [In Japanese. / En japonais.]
  • Record ID : 1998-0074
  • Languages: Japanese
  • Source: Cryogenics/ Cryog. Eng. - vol. 32 - n. 4
  • Publication date: 1997
  • Document available for consultation in the library of the IIR headquarters only.

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