STudy of the physicomechanical properties of modified raw materials of Al2O3 – SIC – C composites based on HAC and ACPB

Results are given for a study of the dependence of apparent density and ultimate strength in compression on the quantity of silica and form of modifying addition (Al, Si, B and mixtures of them) for materials of the composition Al 2 O 3 – SiC – C based on high-alumina cement and aluminochromium phos...

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Veröffentlicht in:Refractories and industrial ceramics 2010-09, Vol.51 (2), p.99-103
Hauptverfasser: Angolenko, L. A., Semchenko, G. D., Povshuk, V. V., Tishchenko, S. V., Kushchenko, M. A., Starolat, E. E.
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Sprache:eng
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Zusammenfassung:Results are given for a study of the dependence of apparent density and ultimate strength in compression on the quantity of silica and form of modifying addition (Al, Si, B and mixtures of them) for materials of the composition Al 2 O 3 – SiC – C based on high-alumina cement and aluminochromium phosphate binder after low-temperature (400°C) heat treatment. It is established that the most efficient form the point of view of compaction and strengthening of raw material of corundum-graphite refractory is addition of aluminum powder.
ISSN:1083-4877
1573-9139
DOI:10.1007/s11148-010-9267-8