Conclusions
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1.
Cerium dioxide and its solid solutions with calcium and strontium dioxide can be used to produce well-sintered, high-refractory parts with a porosity up to 0.1% and a compressive strength up to 2000 kg/cm2.
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2.
In order to obtain well-sintered parts made of pure cerium dioxide, the material must be pulverized. Parts made of CeO2 solid solutions with strontium and calcium oxides sinter well even when the grain composition of the cerium dioxide is coarser.
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3.
Parts made of CeO2 and solid solutions can be fired at 1500°.
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4.
Parts made of cerium dioxide and its solid solution with strontium oxide manifests a high degree of chemical stability when in contact with other high-refractory oxides up to 1600–1700°.
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5.
Further research should be carried out to provide more detail regarding the specific areas in which cerium refractories can be effectively applied.
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Literature
E.K. Keler and N.A. Godina. Journ. Inorg. Chem. 1956, No.1.
V.A. Bron. Ogneupory, 1951, No.7.
E.K. Keler and Ye. I. Kozlovskaya, Glass and Ceramics, 1956, No.5.
E.K. Keler. Ogneupory, 1952, No.4.
E.K. Keler and N.A. Godina. J. Inorg. Chem. 1957, No.2.
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Zuyeva, L.S., Godina, N.A. & Keler, E.K. Properties of cerium dioxide and its solid solutions with calcium and strontium oxides. Refractories 1, 290–293 (1960). https://doi.org/10.1007/BF01282823
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DOI: https://doi.org/10.1007/BF01282823