BRAZE-IN-PLACE PLUG REPAIR METHOD FOR THROUGH-WALL DEFECTS ON CASTINGS

A method of repairing a cast article defect (236; 1300; 1400), in accordance with various embodiments, is disclosed herein. The method may comprise: machining an aperture (310) at a defect location of a cast article (300; 1200); coating a plug side surface (410) of a plug (400) with a braze material...

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Bibliographische Detailangaben
Hauptverfasser:	McILRATH, Joseph F, KEDLAYA, Nagendra Narasimha, WILSON, Shorntell D, BAREISS, Edward R, REBBECCHI Jr., Thomas Anthony
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING CLADDING OR PLATING BY SOLDERING OR WELDING COMBINED OPERATIONS CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING ENGINE PLANTS IN GENERAL HEATING LIGHTING MACHINE TOOLS MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING METAL-WORKING NOT OTHERWISE PROVIDED FOR NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES OTHER WORKING OF METAL PERFORMING OPERATIONS SOLDERING OR UNSOLDERING STEAM ENGINES TRANSPORTING UNIVERSAL MACHINE TOOLS WEAPONS WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	A method of repairing a cast article defect (236; 1300; 1400), in accordance with various embodiments, is disclosed herein. The method may comprise: machining an aperture (310) at a defect location of a cast article (300; 1200); coating a plug side surface (410) of a plug (400) with a braze material; coating at least one of a top surface or a bottom surface of the plug with an excess braze material; inserting the plug into the aperture from the inner surface of the cast article towards the outer surface of the cast article and leaving at least one void between a the braze material and a side surface of the aperture; and heating the cast article and the plug.