Conclusions
An investigation was carried out of the influence of certain additives on the sintering of chromic oxide.
In an air medium, chromic oxide does not sinter at all without an additive. It achieves slight sintering with added TiO2 and a higher degree of sintering when aluminosilicates are added. The effect of TiO2 on the sintering process is significantly more marked in a reducing medium.
It was established that a relation exists between the degree of sintering and the change in the lattice parameters of the Cr2O3 caused by the addition of TiO2, and between the degree of sintering of aluminosillicate-containing chromic oxide and the percent glass-forming silica in the additive.
Chromic oxide specimens were produced to a porosity of about 15%.
Similar content being viewed by others
Literature cited
T. D. Averbukh and P. G. Pavlov, Technology of Chromic Compounds [in Russian], Khimiya, Leningrad (1967).
Ya. I. Ol'shanskii and V. K. Shlenov, Dokl. Akad. Nauk SSSR,91, No. 3, 561–564 (1953).
J. R. Henzler and E. C. Henry, J. Amer. Ceram. Soc.,36, No. 3, 76–80 (1953).
P. S. Mamykin and S. G. Zlatskii, Ogneupory, No. 2, 990–996 (1938).
P. P. Budnikov and S. G. Tresvyatskii, Dokl. Akad. Nauk SSSR,45, No. 5, 1041–1042 (1954).
A. I. Leonov, Izv. Akad. Nauk SSSR, Neorg. Materialy,2, No. 12, 2168–2174 (1966).
G. F. Guzenko, Theoretical and Technological Research in the Field of Refractories. Trans. Ukr. Scientific-Research Institute for Refractories [in Russian], No. 9, Metallurgiya, Moscow, pp. 56–61.
R. D. Shannon and C. T. Prewitt, Acta Crystallogr.,25, No. 5, 925–946 (1969).
M. Hamelin, Bull. Soc. Chim. France,11/12, 1421–1430 (1957).
I. S. Kainarskii, I. G. Orlova, and E. V. Merkulova, Bulletin of Scientific and Technical Information of the Ukr. Scientific-Research Institute for Refractories [in Russian], No. 4, Metallurgizdat, Kharkov (1958), pp. 5–23.
É. V. Degtyareva, N. V. Gul'ko, I. I. Kabakova, et al., Theoretical and Technological Research in the Field of Refractories. Trans. Ukr. Scientific-Research Institute for Refractories [in Russian], No. 15, Metallurgiya, Moscow (1971), pp. 134–149.
Author information
Authors and Affiliations
Additional information
Translated from Ogneupory, No. 11, pp. 34–39, November, 1975.
Rights and permissions
About this article
Cite this article
Degtyareva, É.V., Kainarskii, I.S., Boyarina, I.L. et al. Sintering chromic oxide with an additive. Refractories 16, 696–701 (1975). https://doi.org/10.1007/BF01280604
Issue Date:
DOI: https://doi.org/10.1007/BF01280604