Carbon-containing refractory
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United States of America Patent
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Dec 15, 1981
Grant Date -
N/A
app pub date -
Jan 30, 1980
filing date -
Feb 9, 1979
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The invention relates to precluding the shortcomings intrinsic to the conventional unburned carbon-containing refractory bricks, i.e., oxidization under high temperature conditions and the incidental decarbonization, the phenomenon of exfoliation and detachment of the fragile layers, and more particularly to obtaining thereby unburned carbon-containing refractory bricks having the high properties by causing refractory brick material comprising substantially more than 1 weight % carbon to contain 1-10 weight % aluminum powder and/or magnesium powder each independently or in a mixture thereof, and/or 0.5-6 weight % silicon powder.
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