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Vol 24
Pages:
153-166
Download volume:
RUS
Article

Physicochemical study of the binary system Cr₂O₃ — MgO (To the problem of finding new highly refractory materials)

Authors:
V. F. Smachnaya
P. Ya. Saldau
Date submitted:
1949-07-24
Date accepted:
1949-09-26
Date published:
1949-07-29

Abstract

Among the refractory materials currently in use, chromite iron ore and magnesite deserve special attention. But, as is known, these refractories in their pure form are not stable enough and are destroyed relatively quickly, which causes frequent repairs of the internal lining of smelting furnaces. Therefore, the study of the dependence of the melting temperature on the composition of mixtures of highly refractory materials, in particular the determination of the areas of formation of solid solutions, is one of the ways to find new highly refractory materials. This prompted us to study the melting diagrams of the systems: Cr₂O₃ — MgO и Cr₂O₃ — ZrO₂.

Funding:

None

Go to volume 24

References

  1. Bonton and Durrer, Fusion diagram of the Cr₂O₃— MgO system, "Journal of Inorganic and General Chemistry" Zhurnal neorganicheskoy i obshchey khimii, 1931, No. 198, iss.13. (in Russian)
  2. Wilde and Riess, X-ray diffraction study of chromium oxide, "Communications of the British Ceramic Society", 1943, XII, iss. 7. (in Russian)
  3. Krasenskaya, Yasinovskii and Goncharov, Fusion diagram of the ternary system MgO — Al₂O₃ — Cr₂O₃, "Ogneupory", 1940, iss.5-6, p. 329. (in Russian)
  4. Saldau P. Ya. and N. A. Zhirnova N. A., Fusion diagram of the ternary system ZrO₂ — MgO — Al₂O₃, Annales de l'Institut des Mines ȧ Leningrad, 1948, Vol. XX, p. 59. (in Russian)
  5. A. V. Nikolaev, Analysis of chromium iron ores, Collection "Analysis of mineral raw materials", 1938, p. 41. (in Russian)
  6. Yu. N. Knipovich, Chromates, 1938, Vol. I, p. 339. (in Russian)
  7. Hillebrand and Lendel, Chromates (a practical guide to inorganic analysis), 1935, p. 449. (in Russian)
  8. Treadwell, Course of analytical chemistry, 1931, p. 137. (in Russian)

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