Layered assemblies for superalloy article repair

Methods of superalloy article repair are provided. In some embodiments, a method for repairing a nickel-based superalloy article comprises providing a layered assembly over a damaged region of the nickel-based superalloy article, the layered assembly comprising a nickel-based superalloy preform, an...

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Bibliographic Details
Main Authors Zheng, Qingjun, Perez, Martin G, Meyer, Michael, Belhadjhamida, Abdelhakim
Format Patent
LanguageEnglish
Published 06.04.2021
Subjects
ALLOYS
CHEMISTRY
CLADDING OR PLATING BY SOLDERING OR WELDING
COMBINED OPERATIONS
CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING
FERROUS OR NON-FERROUS ALLOYS
MACHINE TOOLS
METAL-WORKING NOT OTHERWISE PROVIDED FOR
METALLURGY
OTHER WORKING OF METAL
PERFORMING OPERATIONS
SOLDERING OR UNSOLDERING
TRANSPORTING
TREATMENT OF ALLOYS OR NON-FERROUS METALS
UNIVERSAL MACHINE TOOLS
WELDING
WORKING BY LASER BEAM
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Summary:Methods of superalloy article repair are provided. In some embodiments, a method for repairing a nickel-based superalloy article comprises providing a layered assembly over a damaged region of the nickel-based superalloy article, the layered assembly comprising a nickel-based superalloy preform, an infiltration alloy preform and a melting point depressant component. The layered assembly is heated to form a nickel-based filler alloy metallurgically bonded to the damaged region, wherein primary carbide and secondary carbide phases are present in the nickel-based filler alloy in a combined amount of 0.5 to 10 vol. %.
Bibliography:Application Number: US201715492413