Conclusions
Fused periclase and periclase-chromite blocks containing a high proportion of highmelting oxides of magnesium and chrome were produced from beneficiated starting materials.
The structure and properties of the periclase and periclase-chromite were analyzed zonewise in the blocks. The thickness of the block zones with a high content of magnesium oxide and the yield of high-quality periclase and periclase-chromite depend on the degree of purity of the chemical composition of the starting materials.
The content of magnesium oxide is highest and the proportion of contaminating oxides low in fused periclase produced from chemically beneficiated Satkin magnesite, and in the monocrystalline subzones of the blocks. An increase in the proportion of chromite in the mix results in a higher porosity and in a higher content of spinel and ferrochrome in the fused material. The properties are optimal in the case of a periclase-chromite material from a mix containing 15–20% chromite.
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D. I. Yuzvuk, E. A. Egorov, V. A. Bron, et al., Ogneupory, No. 7, 5–11 (1972).
K. V. Simonosov, L. Ya. Osipova, L. D. Bocharov, et al., Ogneupory, No. 9, 8–13 (1974).
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Translated from Ogneupory, No. 3, pp. 37–44, March, 1978.
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Simonov, K.V., Bocharov, L.D., Kononenko, G.V. et al. Structure and properties of fused periclase and periclase-chromite blocks produced from beneficiated starting materials. Refractories 19, 167–175 (1978). https://doi.org/10.1007/BF01280472
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DOI: https://doi.org/10.1007/BF01280472