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US 11,230,777 B2Granted
Wear-resistant coating
AssigneeHamilton Sundstrand Corporation
InventorsBlair A. Smith, Claude J. Moreau
Life of this patent
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Abstract
A method of forming a wear-resistant coating on an article includes depositing a chromium coating on a substrate of the article, and subsequently heating the coated article to enhance a plurality of through-cracks within the chromium coating. The method further includes applying a liquid filler material to the coated article such that at least one of the plurality of through-cracks is at least partially occupied by the filler material, and solidifying the liquid filler material.
Claims6
A method of forming a wear-resistant coating on an article, the method comprising:
- depositing a trivalent chromium coating on the article, the article comprising a plastic material with a glass transition temperature;
- heating the coated article to a temperature up to 50° F. below the glass transition temperature of the plastic material to enhance a plurality of through-cracks within the chromium coating;
- applying a liquid filler material to the coated article such that at least one of the plurality of through-cracks is at least partially occupied by the filler material;
- and
- solidifying the liquid filler material, and
- wherein the liquid filler material is selected from the group consisting of fluoropolymers, epoxy resins, polyimide resins, epoxy-based film lubricants, phenolic-based film lubricants, and combinations thereof,
- wherein the filler material further comprises particulate materials selected from the group consisting of silicon carbide, boron nitride, chromium carbide, tungsten carbide, diamond, and combinations thereof.
4 more elements
Dependencies are inferred from the claim text.