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Performance of magnetic bearings with an oxide superconductor: fundamental studies on a circular bearing.

[In Japanese. / En japonais.]

Author(s) : OKANO M., ONISHI T., MURAKAMI M., et al.

Type of article: Article

Summary

The magnetic bearings with an oxide superconductor have been studied and a possibility for industrial-scale application is discussed. The paper describes the performances of a circular superconducting bearing at 4.2 and 77 K. The characteristics of the bearings composed of YBCO are compared to those composed of niobium-titanium superconductor. The magnetic bearing with the YBCO disk, which virtually behaves as a perfect diamagnetic substance at 4.2 K has a load capacity on the same order of that of conventional magnetic one and high bearing stiffness is obtained at a certain region of a load-displacement hysteresis loop.

Details

  • Original title: [In Japanese. / En japonais.]
  • Record ID : 1993-0746
  • Languages: Japanese
  • Source: Cryogenics/ Cryog. Eng. - vol. 26 - n. 5
  • Publication date: 1991
  • Document available for consultation in the library of the IIR headquarters only.

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