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Melt-spin processing of YBa2Cu3O7−x

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Abstract

We introduce a novel containerless melt-spin processing technique for YBa2Cu3O7−x using prereacted oxide powders that are rapidly melted and subsequentially quenched in a controlled atmosphere. This results in flakes with typical dimensions of 3000 × 150 × 15 μm3. Powder XRD indicates that all samples contain Y2O3, but that the Ba–Cu–O phases present depend on the processing parameters. SEM and TEM studies show these phases are finely dispersed: the typical grain size for Y2O3 is 1–2 μm, and for the Ba–Cu–O phases it is <0.5 μm.

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Authors and Affiliations

  1. Institute for Physical Research and Technology, Iowa State University, Ames, Iowa, 50010, USA

    T. J. Folkerts

  2. Department of Geological and Atmospheric Sciences and Institute for Physical Research and Technology, Iowa State University, Ames, Iowa, 50010, USA

    M. J. Kramer

  3. Ames Laboratory, Iowa State University, Ames, Iowa, 50010, USA

    K. W. Dennis

  4. Department of Materials Science and Engineering and Institute for Physical Research and Technology, Iowa State University, Ames, Iowa, 50010, USA

    R. W. McCallum

Authors
  1. T. J. Folkerts
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  2. M. J. Kramer
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  3. K. W. Dennis
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  4. R. W. McCallum
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Folkerts, T.J., Kramer, M.J., Dennis, K.W. et al. Melt-spin processing of YBa2Cu3O7−x. Journal of Materials Research 6, 2035–2040 (1991). https://doi.org/10.1557/JMR.1991.2035

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  • DOI: https://doi.org/10.1557/JMR.1991.2035

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