Hollow titanium airfoil with titanium coating
AssigneeRaytheon Technologies Corporation
InventorRobert C. Dolan
Life of this patent
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Abstract
An airfoil surface includes a first titanium portion, a second titanium portion, an aluminum alloy braze disposed there between, and a titanium coating covering the aluminum alloy braze, at least part of the first titanium portion and at least part of the second titanium portion.
Claims20
An airfoil surface comprising a first titanium portion, a second titanium portion, an aluminum alloy braze disposed there between, and a titanium coating disposed on and covering the aluminum alloy braze, at least part of the first titanium portion and at least part of the second titanium portion.
A method of manufacturing an airfoil comprising providing first and second titanium portions, applying an aluminum alloy braze to at least one of the first and second titanium portions, heating the airfoil to melt the aluminum alloy braze and join the first and second portions to one another to provide an airfoil surface with an aluminum alloy braze joint;
- and providing a titanium coating to the airfoil surface, wherein the titanium coating is disposed on and covers the aluminum alloy braze joint, at least part of the first titanium portion, and at least part of the second titanium portion.
Dependencies are inferred from the claim text.