Sulfidation-resistant coating system and process therefor
AssigneeGeneral Electric Company
InventorsDavid A. Helmick, Yuk-Chiu Lau, David Vincent Bucci
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Abstract
A coating system and process for protecting component surfaces exposed to sulfur-containing environments at elevated temperatures. The coating system includes a sulfidation-resistant overlay coating that is predominantly niobium or molybdenum.
Claims20
A coating system on a surface region of a component subjected to sulfur and/or sulfur compounds at an elevated temperature, the coating system comprising a sulfidation-resistant overlay coating on the surface region, the overlay coating being predominantly niobium or molybdenum.
A process for protecting a surface region of a component subjected to sulfur and/or sulfur compounds at an elevated temperature, the process comprising depositing a coating system on the surface region, the coating system comprising a sulfidation-resistant overlay coating that is predominantly niobium or molybdenum.
Dependencies are inferred from the claim text.