Technogenic mineral formation in refractory materials in the open-hearth process

Zonal changes have been studied for a refractory mix of OAO Kombinat Magnezit (Satka) on reaction with melt in the open-hearth process. Four zones of change are isolated. In successive zones there is a reduction in MgO content in the material and a relative increase in the amount of CaO, TiO 2 , Al...

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Bibliographic Details
Published in:Refractories and industrial ceramics 2011-03, Vol.51 (6), p.452-455
Main Authors: Batanova, A. M., Shchekina, T. I., Gramenitskii, E. N., Grigor’ev, V. P., Pyrikov, A. N., Grigor’ev, B. N.
Format: Article
Language:English
Subjects:
Aluminum oxide
Breakdown
Ceramics
Characterization and Evaluation of Materials
Chemistry and Materials Science
Composites
Glass
Magnesium oxide
Materials Science
Melts
Metallurgical analysis
Natural Materials
OAO
Reduction
Refractories
Refractory materials
Titanium dioxide
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Summary:Zonal changes have been studied for a refractory mix of OAO Kombinat Magnezit (Satka) on reaction with melt in the open-hearth process. Four zones of change are isolated. In successive zones there is a reduction in MgO content in the material and a relative increase in the amount of CaO, TiO 2 , Al 2 O 3 , SiO 2 , and Fe. In this direction there is an increase in feruginosity of periclase and an increase mix porosity, melt and substitution solid phases appear. These changes reduce refractory mix resistance and promote its breakdown.
ISSN:1083-4877
1573-9139
DOI:10.1007/s11148-011-9349-2