Conclusions
Milling time during the fine grinding of fused mullite and mullite-corundum powders in a vibromill instead of a ballmill can be reduced by a factor of five. The addition of sulfite lye or ethyl silicate in amounts of 0.1% reduces by a factor of 12–18 the vibromilling time, but iron pickup is increased. Grinding in a jet mill causes the specific surface to be much less than milling in a vibromill; the capacity for sintering such powders is impaired.
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Translated from Ogneupory, No. 6, pp. 17–18, June, 1981.
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Ustichenko, V.A., Shapovalov, V.S. Fine milling of fused mullite and mullite-corundum. Refractories 22, 319–320 (1981). https://doi.org/10.1007/BF01397996
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DOI: https://doi.org/10.1007/BF01397996