Method of applying a metallic coating with improved resistance to high temperature to environmental conditions
AssigneeGeneral Electric Company
InventorsDavid R. Chang, John J. Grisik
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Abstract
A metallic article is provided with improved resistance to high temperature environmental conditions through the inclusion of about 0.1 - 10 weight percent Hf in an article surface, such as through coating. A method for providing such a coating includes application of the Hf alone or in combination with other surface protective means. Application of Hf can occur before, during or after use of such protective means.
Claims8
In a method of applying an oxidation and sulfidation resistant metallic coating to a metal article, the step of applying both Hf and Al so that Hf comprises 0.1 - 10 weight percent of the coating.
Dependencies are inferred from the claim text.