Blanch resistant and thermal barrier NiAl coating systems...

Details Blanch resistant and thermal barrier NiAl coating systems... Blanch resistant and thermal barrier NiAl coating systems...

2005-01-04

2005-01-04

McNeil, Jennifer (Department: 1775)

Stock material or miscellaneous articles

All metal or with adjacent metals

Composite; i.e., plural, adjacent, spatially distinct metal...

C428S674000, C428S680000, C428S652000, C428S671000, C427S455000, C427S456000, C427S369000, C427S370000

Reexamination Certificate

active

06838191

ABSTRACT:
A method of forming an environmental resistant thermal barrier coating on a copper alloy is disclosed. The steps include cleansing a surface of a copper alloy, depositing a bond coat on the cleansed surface of the copper alloy, depositing a NiAl top coat on the bond coat and consolidating the bond coat and the NiAl top coat to form the thermal barrier coating. The bond coat may be a nickel layer or a layer composed of at least one of copper and chromium-copper alloy and either the bond coat or the NiAl top coat or both may be deposited using a low pressure or vacuum plasma spray.

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