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7374818 |
Coating system for silicon based substrates
A bond coat system for silicon based substrates wherein a compliant layer having an elastic modulus of between 30 and 130 GPa is provided between the silicon based substrate and a silicon metal...
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7354651 |
Bond coat for corrosion resistant EBC for silicon-containing substrate and processes for preparing same
An article comprising a silicon-containing substrate, a silicide-containing bond coat layer overlying the substrate, and an environmental barrier coating (EBC) overlying the bond coat layer,...
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7326468 |
Thermal/environmental barrier coating for silicon-comprising materials
An article comprising a substrate formed of a silicon-comprising material, such as an article exposed to the hostile thermal environment of a gas turbine engine. The article further comprises an...
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7115327 |
Thermal/environmental barrier coating with transition layer for silicon-comprising materials
An article comprising a substrate formed of a silicon-comprising material, such as an article exposed to the hostile thermal environment of a gas turbine engine. The article further comprises an...
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7115326 |
Thermal/environmental barrier coating with transition layer for silicon-comprising materials
An article comprising a substrate formed of a silicon-comprising material, such as an article exposed to the hostile thermal environment of a gas turbine engine. The article further comprises an...
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7063894 |
Environmental barrier coating for silicon based substrates
An article comprises a silicon based substrate, a bond layer and a protective top layer. The top layer is selected from the group consisting of rare earth disilicates, yttrium disilicates, rare...
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6969555 |
Aluminate coating for a silicon containing substrate
A coating for silicon based materials such as those used in high temperature, aqueous environments. An aspect of the invention is directed to an article including a silicon based substrate, a bond...
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6929852 |
Protective overlayer for ceramics
An alumina comprising composition protective overlayer ( 20 ) for protecting a ceramic matrix composite material ( 12 ) from a high temperature, moisture-containing environment. Alumina may be used...
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EP1544185A2 |
Environmental barrier coating comprising a gas velocity reducing top layer
A composite comprising a silicon based substrate, an environmental barrier coating (EBC) with a top layer, wherein the top layer comprises a velocity barrier layer. Velocity barrier layer is. any...
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6844075 |
Environmental barrier coating
A coating for a silicon based material such as those used in high temperature environments. An aspect of the invention is directed to an environmental barrier coating including a silicon bond coat,...
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6794059 |
Multilayer thermal barrier coatings
The present invention relates to a thin impermeable top coat on a thermal barrier coating for a metal part, such as a turbine blade, wherein the composite thin top coat is porous, inert,...
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6682821 |
Corrosion-resistant ceramics
Anti-corrosion ceramics comprising a substrate of at least one kind of silicon-containing ceramics selected from a silicon nitride, a silicon carbide and Sialon, and a surface protection layer...
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6617037 |
Silicon based substrate with a CTE compatible layer on the substrate
An article comprising a substrate containing silicon and at least one layer which contains a coefficient of thermal expansion (CTE) tailoring additive in an amount sufficient to maintain a...
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6617036 |
Barrier layer for silicon containing substrate
A barrier layer for a silicon containing substrate which inhibits the formation of gaseous species of silicon when exposed to a high temperature aqueous environment comprises a barium-strontium...
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6589677 |
Silicon based substrate with environmental/thermal barrier layer
An article comprising a substrate containing silicon and at least one barrier layer which functions as a thermal barrier at temperatures in excess of 1300° C. in aqueous environments.
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