Highly refractory' material based on magnesia spinel |
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Authors: | A. Yu. Borisova É. I. Zin'ko I. V. Fedina |
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Affiliation: | (1) State Sci-Res. Institute of Electroceramics, USSR |
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Abstract: | Conclusions An increase in the content of commercial alumina in magnesite refractory body to a ratio of MgOAl2O3 =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 MgOAl2O3 from 31 to 13 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. |
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