Titanium article having a protective coating and a method of applying a protective coating to a Titanium article
AssigneeROLLS-ROYCE plc
InventorsSimon Gray, Clive B. Ponton, Michael H. Jacobs, Hugh E. Evans
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Abstract
A titanium aluminide turbine blade (10) includes an aerofoil (12), a platform (14) and a root (16). A protective coating (2) is applied to the aerofoil (12) and the platform (14) of the turbine blade (10). The protective coating (2) comprises austenitic stainless steel. A chromium oxide layer (22) is formed on the protective coating (2). The protective coating (20) and chromium oxide layer (22) provides oxidation and sulphidation resistance for the titanium aluminide article (10).
Claims23
A titanium alloy article having a protective coating on the titanium alloy article, the protective coating comprising a coating of austenitic steel.
A method of applying a protective coating to a titanium alloy article comprising depositing a coating comprising austenitic steel onto the titanium alloy.
Dependencies are inferred from the claim text.