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Use of calcium zirconate as stabilizer when making zircon parts

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Conclusions

The method of casting from aqueous suspensions using, calcium zirconate as a stabilizer was used to make zircon parts close in the nature of the green material, fired material and shrinkage during firing to parts made from prestabilized zirconium dioxide.

The operation requires one high-temperature firing and a single grinding for the bulk of the mateial (about 80%).

The addition of a calcium zirconate additive makes it possible to cast from acid dross characterized by greater resistance to particle aggregation and demixing of the suspension, and to obtain stronger and easy to process green material which is less liabl. to deform during firing.

The use of calcium zirconate with a synthesizing temperature of 1200° produces good grindability and almost com- plete stabilization of the zirconium dioxide in the parts.

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Literature

  1. G. F. Kalliga, V. A. Kolbasova, Higher school scientific reports, 1959, no. 2. “Soviet Science”.

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Authors and Affiliations

  1. Mendeleyev Chemico-Technological Institute, USSR

    G. P. Kalliga, V. A. Koldasova & D. N. Poluboyarinov

Authors
  1. G. P. Kalliga
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  2. V. A. Koldasova
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  3. D. N. Poluboyarinov
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Additional information

The research was carried out by the Technology of Ceramics and Refractories Department of the Mendeleyev MKHTI in collaboration with the Industrial Silicates Laboratory of the Institute of Silicate Chemistry of the Academy of Sciences of the USSR and with the Podol'sk Refractory plant.

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Kalliga, G.P., Koldasova, V.A. & Poluboyarinov, D.N. Use of calcium zirconate as stabilizer when making zircon parts. Refractories 1, 261–264 (1960). https://doi.org/10.1007/BF01282811

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  • DOI: https://doi.org/10.1007/BF01282811

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