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Development of superconductor for 1 GHz class NMR magnets: high yield strength (Nb, Ti) 3Sn conductors.

[In Japanese. / En japonais.]

Author(s) : MIYAZAKI T., MURAKAMI Y., HASE T., et al.

Type of article: Article

Summary

The mechanical properties of an (Nb, Ti) 3Sn superconductor have been improved by using Ta as a reinforcer. The conductor was manufactured on an applicable continuous-piece length and showed 0.2% yield strength of 305 MPa at 4.2 K. Stress-strain characteristics could be explained by the mixture law with tantale itself and another part of the conductor. The dependence of critical current densities on plastic strain was studied based on the scaling law. The actual performances of the developed conductor exceeded all target values in the preliminary design of a 1GHz NMR magnet.

Details

  • Original title: [In Japanese. / En japonais.]
  • Record ID : 2001-0007
  • Languages: Japanese
  • Source: Cryogenics/ Cryog. Eng. - vol. 35 - n. 3
  • Publication date: 2000
  • Document available for consultation in the library of the IIR headquarters only.

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