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AIRFOIL HAVING ENVIRONMENTAL BARRIER TOPCOATS THAT VARY IN COMPOSITION BY LOCATION
An airfoil includes an airfoil wall that defines a leading end, a trailing end, and suction and pressure sides that join the leading end and the trailing end. The airfoil wall is formed of a silicon-containing ceramic. A first environmental barrier topcoat is disposed on the suction side of the airfoil wall, and a second, different environmental barrier topcoat is disposed on the pressure side of the airfoil wall. The first topcoat is vaporization-resistant and the second topcoat is resistant to calcium-magnesium-aluminosilicate.
AIRFOIL HAVING ENVIRONMENTAL BARRIER TOPCOATS THAT VARY IN COMPOSITION BY LOCATION
An airfoil includes an airfoil wall that defines a leading end, a trailing end, and suction and pressure sides that join the leading end and the trailing end. The airfoil wall is formed of a silicon-containing ceramic. A first environmental barrier topcoat is disposed on the suction side of the airfoil wall, and a second, different environmental barrier topcoat is disposed on the pressure side of the airfoil wall. The first topcoat is vaporization-resistant and the second topcoat is resistant to calcium-magnesium-aluminosilicate.
AIRFOIL HAVING ENVIRONMENTAL BARRIER TOPCOATS THAT VARY IN COMPOSITION BY LOCATION
JACKSON RICHARD WESLEY (author) / GENERALE ADAM P (author) / LIU XUAN (author) / ZELESKY MARK F (author)
2021-02-25
Patent
Electronic Resource
English
AIRFOIL HAVING ENVIRONMENTAL BARRIER TOPCOATS THAT VARY IN COMPOSITION BY LOCATION
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