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Making powders of rapidly crystallized molten YBa2Cu3Ox for a superconducting material

  • Theory, Production Technology, and Properties of Powders and Fibers
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Powder Metallurgy and Metal Ceramics Aims and scope

Abstract

A process is described for making quenched powders from molten YBa2Cu3Ox; the material is melted in a solar furnace by the lateral melting method applied to a rotating ceramics, which has a renewable surface. The melt is quenched by shock contact dispersal by rotating blades. With a quenching rate of about 106 deg/sec, the powders are substantially quasiamorphous and contain traces of the phases BaCuO2, Cu2O, and Y2BaCuO5. After heat treatment, the powders show a superconducting-resistive transition at 87–91 K with a transition region width of less than 1.5 K.

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References

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Authors
  1. S. Kh. Suleimanov
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  2. A. G. Bugakov
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  3. M. Bemer
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Additional information

Materials Science Institute, Solar Physics Section, Uzbekistan Academy of Sciences, Tashkent. Translated from Poroshkovaya Metallurgiya, Nos. 9–10(409), pp. 9–12, September–October, 1999.

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Suleimanov, S.K., Bugakov, A.G. & Bemer, M. Making powders of rapidly crystallized molten YBa2Cu3Ox for a superconducting material. Powder Metall Met Ceram 38, 436–438 (1999). https://doi.org/10.1007/BF02676055

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  • DOI: https://doi.org/10.1007/BF02676055

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