Coating processes – Applying superposed diverse coating or coating a coated base – Metallic compound-containing coating
Reexamination Certificate
2008-05-27
2008-05-27
Zimmerman, John J. (Department: 1794)
Coating processes
Applying superposed diverse coating or coating a coated base
Metallic compound-containing coating
C420S442000, C428S680000, C075S246000, C427S191000, C427S383100, C427S405000
Reexamination Certificate
active
11013218
ABSTRACT:
There is provided a method for depositing a modified MCrAlY coating on a surface of a gas turbine engine component. The method includes cold gas dynamic spraying techniques to provide a metallurgical bond between a substrate, such as a superalloy substrate, and the modified MCrAlY composition. The method further includes post deposition heat treatments including hot isostatic pressing. The modified MCrAlY composition includes one or more elements of Pt, Hf, Si, Zr, Ta, Re, Ru, Nb, B, and C, which improves the corrosion and environmental resistance of the coated component.
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Hu Yiping
Madhava Murali N.
Raybould Derek
Renteria Federico
Trinh-Le Huu-Duc
Austin Aaron
Honeywell International , Inc.
Ingrassia Fisher & Lorenz P.C.
Zimmerman John J.
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