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METHODS FOR PRODUCING SILICON CARBIDE WHISKER-REINFORCED REFRACTORY COMPOSITION
The present invention relates to methods for forming monolithic refractory compositions, comprising the steps of providing a particulate refractory composition comprising 2 to 90 mass-% alumina, aluminosilicate or mixtures thereof, 2 to 70 mass-% silicon carbide, 2 to 10 mass-% carbon; 1 to 10 mass-% Si powder, 1 to 3 mass-% microsilica, up to 5 mass-% ferrosilicon, and optionally up to 5 mass-% cement, adding an appropriate amount of water to the particulate refractory composition to form a uniform mixture, installing said uniform mixture and allowing it to set in such location and arrangement where the monolithic refractory composition is required, and heat-treating said set mixture at a temperature no higher than 1200° C. under normal atmospheric conditions to form a monolithic composition, as well as optionally heat-treating the obtained monolithic composition to form silicon carbide whiskers within the monolithic refractory composition. Also part of the present invention are compositions formed according to the method of the invention.
METHODS FOR PRODUCING SILICON CARBIDE WHISKER-REINFORCED REFRACTORY COMPOSITION
The present invention relates to methods for forming monolithic refractory compositions, comprising the steps of providing a particulate refractory composition comprising 2 to 90 mass-% alumina, aluminosilicate or mixtures thereof, 2 to 70 mass-% silicon carbide, 2 to 10 mass-% carbon; 1 to 10 mass-% Si powder, 1 to 3 mass-% microsilica, up to 5 mass-% ferrosilicon, and optionally up to 5 mass-% cement, adding an appropriate amount of water to the particulate refractory composition to form a uniform mixture, installing said uniform mixture and allowing it to set in such location and arrangement where the monolithic refractory composition is required, and heat-treating said set mixture at a temperature no higher than 1200° C. under normal atmospheric conditions to form a monolithic composition, as well as optionally heat-treating the obtained monolithic composition to form silicon carbide whiskers within the monolithic refractory composition. Also part of the present invention are compositions formed according to the method of the invention.
METHODS FOR PRODUCING SILICON CARBIDE WHISKER-REINFORCED REFRACTORY COMPOSITION
MALKMUS PATRICK (author) / SOUDIER JEROME (author)
2016-03-24
Patent
Electronic Resource
English
IPC:
F27D
Einzelheiten oder Zubehör für Industrieöfen, Schachtöfen, Brennöfen oder Retorten, soweit sie nicht auf eine Ofenart eingeschränkt sind
,
DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
/
C04B
Kalk
,
LIME
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