NOTES ON REACTION BETWEEN MgO AND VARIOUS TYPES OF REFRACTORIES

Samples of high‐heat duty, superduty, 60% Al2O3, 70% Al2O3, 90% Al2O3, fused‐alumina, kaolin base, kyanite base, chrome magnesite, silicon carbide, zircon, and chrome‐magnesite compositions were tested for reaction with MgO at temperatures of 2200°, 2600°, and 2800°F. (1205°, 1425°, and 1540°C.). Si...

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Bibliographic Details
Published in:Journal of the American Ceramic Society 1946-12, Vol.29 (12), p.364-367
Main Authors: Norton Jr, C. L., Hooper, Bradford
Format: Article
Language:English
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Summary:Samples of high‐heat duty, superduty, 60% Al2O3, 70% Al2O3, 90% Al2O3, fused‐alumina, kaolin base, kyanite base, chrome magnesite, silicon carbide, zircon, and chrome‐magnesite compositions were tested for reaction with MgO at temperatures of 2200°, 2600°, and 2800°F. (1205°, 1425°, and 1540°C.). Silicon carbide and zircon refractories showed a slight reaction at 2800°F. and none at 2600°F. or at 2200°F. Commercial grades of firebrick containing 60% or more of Al2O3 in contact with powdered magnesia showed no reaction up to 2800°F.
ISSN:0002-7820
1551-2916
DOI:10.1111/j.1151-2916.1946.tb11610.x