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Dispersity of the ferriferous chrome spinelid and composition of the filler as factors affecting the formation of structure in refractories

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Refractories and Industrial Ceramics Aims and scope

Abstract

Physicomechanical properties of periclase-spinelid ceramics, in particular, the softening temperature under load and compressive strength, are shown to be controlled by the granular composition of the native ferriferous chrome spinelid. At relatively low concentration of CaO (0.51–0.88 wt.%), SiO2 (0.53–1.33 wt.%), and ratio CaO/SiO2 = 0.38–1.36, the incipient deformation temperature under load does not exceed 1700°C.

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REFERENCES

  1. T. V. Yarushina, O. F. Shatilov, V. N. Koptelov et al., “Structural features of heavy-duty periclase-spinelid refractories prepared from chrome ores of different origin,”Novye Ogneupory, No. 5, 65–70 (2004).

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  2. B. Ya. Pines and E. I. Ter-Mikaél’yants, Solid-State Reactions in Mixtures of Chromite, MgO, and Al 2 O 3 [in Russian], Issue XXXVII, Metallurgizdat, Kharkov (1936).

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Authors and Affiliations

  1. St. Petersburg State Technological Institute (Technical University), St. Petersburg, Russia

    S. A. Suvorov & T. V. Yarushina

  2. Kombinat Magnezit Joint-Stock Co., Satka, Chelyabinskaya Oblast’, Russia

    S. A. Suvorov & T. V. Yarushina

Authors
  1. S. A. Suvorov
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  2. T. V. Yarushina
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Translated from Novye Ogneupory, No. 7, July, 2004, pp. 37–40.

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Suvorov, S.A., Yarushina, T.V. Dispersity of the ferriferous chrome spinelid and composition of the filler as factors affecting the formation of structure in refractories. Refract Ind Ceram 45, 352–354 (2004). https://doi.org/10.1007/s11148-005-0011-8

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  • DOI: https://doi.org/10.1007/s11148-005-0011-8

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