TREATED GAS TURBINE COMPONENTS AND PROCESSES OF TREATING GAS TURBINE SYSTEMS AND GAS TURBINE COMPONENTS

• Main Authors: NARAYANA, Dayananda, SRINIVASAN, Dheepa, PAKUSZEWSKI, Mariusz, JALAL, Syed Sheraz, ALBAYYOUK, Samir
• Format: Patent
• Language: English; French; German
• Published: 27.12.2017
• Subjects: BLASTING; CHEMICAL SURFACE TREATMENT; CHEMISTRY; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATIONOR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY IONIMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; COATING MATERIAL WITH METALLIC MATERIAL; COATING METALLIC MATERIAL; DIFFUSION TREATMENT OF METALLIC MATERIAL; ENGINE PLANTS IN GENERAL; HEATING; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION INGENERAL; LIGHTING; MACHINES OR ENGINES IN GENERAL; MECHANICAL ENGINEERING; METALLURGY; NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES; STEAM ENGINES; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THESURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; WEAPONS

A process of treating a component (101) includes mechanically removing surface debris (109) from a base coating (105) of the component (101), identifying at least one surface feature (113) in the base coating (105), and applying an overlay coating layer (115) over the surface feature (113) of the base coating (105) without stripping off the base coating (105). A process of treating a gas turbine component (101) includes mechanically removing surface debris (109) from a base coating (105) of the gas turbine component (101), identifying at least one surface feature (113) in the base coating (105) of corrosion pits, dents, spalls, and combinations thereof, and applying an overlay coating layer (115) over the surface feature (113) of the base coating (105) without stripping off the base coating (105). A treated gas turbine component (101) includes a gas turbine component substrate (103) and a base coating (105) on the gas turbine component substrate (103) having at least one healed surface feature (113). The healed surface feature (113) includes an overlay coating layer (115) on the base coating (105).