METHOD OF REPAIRING SUPERALLOY COMPONENTS USING PHASE AGGLOMERATION

A method of repairing a superalloy component (10, 10-1, 10-2, 10-3, 10-4, 10-5, 10-7, 10-8, 10-9) includes subjecting the superalloy component, including a repair area (20), to a phase agglomeration cycle (130), which includes stepped heating and controlled cooling of the component. The method (100)...

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Bibliographische Detailangaben
Hauptverfasser:	CUI, Yan, DORRIETY, Daniel James, COOK, Paul Albert, HENDERSON, Brian Leslie
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS ANDNON-FERROUS ALLOYS CHEMISTRY CLADDING OR PLATING BY SOLDERING OR WELDING COMBINED OPERATIONS CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING ENGINE PLANTS IN GENERAL FERROUS OR NON-FERROUS ALLOYS HEATING LIGHTING MACHINE TOOLS MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING METAL-WORKING NOT OTHERWISE PROVIDED FOR METALLURGY NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES OTHER WORKING OF METAL PERFORMING OPERATIONS SOLDERING OR UNSOLDERING STEAM ENGINES TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS UNIVERSAL MACHINE TOOLS WEAPONS WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	A method of repairing a superalloy component (10, 10-1, 10-2, 10-3, 10-4, 10-5, 10-7, 10-8, 10-9) includes subjecting the superalloy component, including a repair area (20), to a phase agglomeration cycle (130), which includes stepped heating and controlled cooling of the component. The method (100) further includes applying weld material (25) to the repair area (20) to create a weld surface (12, 26); and covering the weld surface (12, 26) with brazing material (25). The component is then subjected to a braze cycle (220) to produce a brazed component (10-3). The brazed component (10-3) is cleaned, and the cleaned component is subjected to a restorative heat treatment to restore the microcrystalline structure and mechanical properties of the component.