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Experience in melting baddeleyite in type OKB-955N electric arc furnaces

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Refractories Aims and scope

Conclusions

Melting of baddeleyite and production of fused powders of zirconium dioxide stabilized by calcium oxide in OKB-955N electric furnaces has been introduced.

The fused baddeleyite block has a zonal structure related to migration of impurities and the stabilizing addition and to the character of solidification of the material. After grinding the material is blended and variations in the stabilizing addition content do not exceed 0.7%.

It was shown that fused zirconium powders are suitable for the production of thermal insulation packings, tamping mixtures, and parts satisfying the requirements of current specifications.

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Authors and Affiliations

  1. Ukrainian Scientific-Research Institute for Refractories, Ukraine

    A. G. Karaulov, T. E. Sudarkina, Ya. G. Gaponov, K. V. Simonov, V. N. Koptelov, B. G. Skorynin & L. D. Bocharov

  2. Magnesite Combine, USSR

    A. G. Karaulov, T. E. Sudarkina, Ya. G. Gaponov, K. V. Simonov, V. N. Koptelov, B. G. Skorynin & L. D. Bocharov

Authors
  1. A. G. Karaulov
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  2. T. E. Sudarkina
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  3. Ya. G. Gaponov
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  4. K. V. Simonov
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  5. V. N. Koptelov
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  6. B. G. Skorynin
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  7. L. D. Bocharov
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Additional information

Translated from Ogneupory, No. 6, pp. 21–24, June, 1983.

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Karaulov, A.G., Sudarkina, T.E., Gaponov, Y.G. et al. Experience in melting baddeleyite in type OKB-955N electric arc furnaces. Refractories 24, 274–278 (1983). https://doi.org/10.1007/BF01387600

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  • DOI: https://doi.org/10.1007/BF01387600

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