Coating processes – Heat decomposition of applied coating or base material – Coating decomposed to form carbide or coating carbonized
Patent
1994-04-22
1995-12-19
Bell, Janyce
Coating processes
Heat decomposition of applied coating or base material
Coating decomposed to form carbide or coating carbonized
427261, 427265, 427379, 4274197, B05D 302
Patent
active
054766842
ABSTRACT:
This invention provides a shaped ceramic composite article comprising ceramic oxide fiber(s), a first coating comprising a carbonaceous matrix which includes boron nitride particles in contact therewith, and a second coating comprising silicon carbide. The inventive composite article is useful in applications requiring good heat resistance and mechanical properties, such as gas fired radiant burner tubes, gas burner nozzle liners, heat exchangers, thermowells, core busters or flame dispersers, and other gas fired furnace components.
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Allen Gregory D.
Bell Janyce
Griswold Gary L.
Kirn Walter N.
Minnesota Mining and Manufacturing Company
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