Results are provided for mineral and petrographic study of phase formation and structural changes in chromite-periclase refractories after experiments for their reaction with slag melt and with slag and nickel melt. The mechanism and intensity of refractory chemical corrosion during action on it of metal and slag, and slag melts are compared. It is shown that periclase-carbon refractory reacts significantly weaker than chromite-periclase with both types of melts. Presence of carbon prevents mutual diffusion of components and chemical corrosion of periclase-carbon refractories, and this considerably improves their resistance compared with chromite-periclase.
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Part 1 of the article published in Novye Ogneupory No. 11 (2014).
Translated from Novye Ogneupory, No. 2, pp. 11 – 22, February 2015.
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Shchekina, T.I., Batanova, A.M., Kurbyko, T.N. et al. Comparative Study of Chromite-Periclase and Periclase-Carbon Refractory Stability During Reaction with Nickel Production Melts (Experimental Data). 2. Behavior of Periclase-Carbon Refractories in the Presence of Metal-Slag and Slag Melts. Refract Ind Ceram 56, 54–65 (2015). https://doi.org/10.1007/s11148-015-9784-6
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DOI: https://doi.org/10.1007/s11148-015-9784-6