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Relationship between phase changes and engineering properties of materials based on the ZrO2-CeO2 system

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Complete stabilization of ZrO2 is obtained by adding 20% (mol) CeO2 at 1700°C with a 3-h soak, and cooling for 10 h.

Using the tendency of a solid solution of ZrO2-CeO2 to partial decomposition when slowly cooled after firing at high temperatures, it is possible to obtain a zircon refractory with a high thermal-shock resistance, by arranging uniform redistribution of the decomposition product in the structure of the articles that is, monoclinic solid solution.

The poor recrystallation capacity of presynthesized tetragonal solid solution does not guarantee the production of a more perfect microstructure in the product obtained from its combined firing with mono-clinic ZrO2, which is one of the main causes for the low thermal-shock resistance of zircon products of this type.

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Literature cited

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Authors and Affiliations

  1. Leningrad Lensovet Institute of Technology, USSR

    Ya. V. Klyucharov & V. I. Strakhov

Authors
  1. Ya. V. Klyucharov
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  2. V. I. Strakhov
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Translated from Ogneupory, No. 5, pp. 40–43, May, 1968.

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Klyucharov, Y.V., Strakhov, V.I. Relationship between phase changes and engineering properties of materials based on the ZrO2-CeO2 system. Refractories 9, 301–305 (1968). https://doi.org/10.1007/BF01285485

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  • DOI: https://doi.org/10.1007/BF01285485

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