Conclusions
An increase in the Al2O3 content of the base causes the wetting angle of steel 10kp to increase with an increase in the temperature from 1490 to 1620°C.
Chromium-nickel steel wets refractories to a greater degree than rimmed steel. In this case the wetting angle is largest on mullite-corundum refractories containing 75–78% Al2O3.
The introduction of small amounts of modifying additives in the form of MgO and Cr2O3+ ZrSiO4 into mullite-corundum and corundum refractories causes the wetting angle to increase by 7–10° and helps to increase the resistance of the refractory materials to the action of rimmed steel.
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Translated from Ogneupory, No. 4, pp. 53–56, April, 1978.
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Usatikov, I.F., Kalita, G.E. & Gal'chenko, T.G. Wettability of aluminosilicate refractories with molten steel. Refractories 19, 254–257 (1978). https://doi.org/10.1007/BF01280495
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DOI: https://doi.org/10.1007/BF01280495