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7374825 |
Protection of thermal barrier coating by an impermeable barrier coating
According to an embodiment of the invention, disclosed is a composite comprising a porous thermal barrier coating on a metallic part and an impermeable barrier coating adjacent to the outer surface...
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7364807 |
Thermal barrier coating/environmental barrier coating system for a ceramic-matrix composite (CMC) article to improve high temperature capability
In accordance with an embodiment of the invention, an article is provided. The article comprises a substrate comprised of silicon containing material, an environmental barrier coating (EBC)...
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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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7323247 |
Oxidation barrier coatings for silicon based ceramics
A protective barrier coating system including a diffusion barrier coating and an oxidation barrier coating and method for use in protecting silicon-based ceramic turbine engine components. A...
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EP1595859B1 |
Article comprising a substrate comprising silicon and a top barrier layer comprising hafnium oxide
Abstract of EP1595859 A top barrier layer for a silicon containing substrate which inhibits the formation of gaseous species of silicon when exposed to a high temperature aqueous environment and...
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7300702 |
Diffusion barrier coating for Si-based components
A component comprising a silicon-based substrate and a diffusion barrier coating disposed on the silicon-based substrate. The diffusion barrier coating comprises an isolation layer disposed...
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7226672 |
Turbine components with thermal barrier coatings
A turbine component has a substrate formed from a ceramic material selected from the group consisting of a monolithic ceramic material and a composite ceramic material and a thermal barrier coating...
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7150926 |
Thermal barrier coating with stabilized compliant microstructure
A thermal barrier coating for a gas turbine component includes a bond coating layer, at least a first segmented columnar ceramic layer on the bond coating layer, and a particulate...
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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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7108925 |
High temperature insulation utilizing zirconia-hafnia
A ceramic insulating composition including monoclinic zirconia-hafnia. The zirconia-hafnia may be used as a filler powder ( 14 ) in a ceramic composition ( 10 ), or it may be used as a protective...
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EP1595859A2 |
Article comprising a substrate comprising silicon and a top barrier layer comprising hafnium oxide
A top barrier layer for a silicon containing substrate which inhibits the formation of gaseous species of silicon when exposed to a high temperature aqueous environment and comprises at least 65...
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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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