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Highly refractory' material based on magnesia spinel
Authors:A. Yu. Borisova  É. I. Zin'ko  I. V. Fedina
Affiliation:(1) State Sci-Res. Institute of Electroceramics, USSR
Abstract:
Conclusions An increase in the content of commercial alumina in magnesite refractory body to a ratio of MgOratioAl2O3 =1.3, corresponds to an increase in the refractoriness-under-load and 4% compression, increases the spalling resistance with a certain reduction in refractoriness.Formation of spinel in bodies with a ratio of MgOratioAl2O3 from 3ratio1 to 1ratio3 occurs at 1600–1650°C.The refractory material KM-3 on the basis of magnesia-alumina spinel is suitable for making, by the semidry pressing method, saggers, rods, supports, and other components intended for firing ceramic and refractory articles at Temperatures up to 1950°C.Translated from Ogneupory, No. 7. pp. 58–60, July, 1966.
Keywords:
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