Process for coating a turbine rotor and articles thereof

摘要

A process for applying a hard coating to a turbine rotor (14) comprising providing a turbine rotor (14) having at least one surface (12); applying a first coating to the at least one surface (12), the first coating being cold sprayed onto the at least one surface (12); applying a second coating onto the first coating to form the hard coating, wherein the hard coating is configured to substantially resist wear of a brush seal in physical communication with the turbine rotor (14).