LASER POWDER DEPOSITION WELD REWORK FOR GAS TURBINE ENGINE NON-FUSION WELDABLE NICKEL CASTINGS

A method is provided for reworking a component. The method includes at least partially filling a cavity in a non-fusion weldable base alloy with a multiple of layers of a multiple of laser powder deposition spots formed of a filler alloy. Each of the multiple of laser powder deposition spots at leas...

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Bibliographische Detailangaben
Hauptverfasser:	WHITMAN, GIOVANNI, OLS, JOHN T, LIN, WANGEN
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CLADDING OR PLATING BY SOLDERING OR WELDING CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR PERFORMING OPERATIONS SOLDERING OR UNSOLDERING TRANSPORTING WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	A method is provided for reworking a component. The method includes at least partially filling a cavity in a non-fusion weldable base alloy with a multiple of layers of a multiple of laser powder deposition spots formed of a filler alloy. Each of the multiple of laser powder deposition spots at least partially overlaps at least one of another of the multiple of laser powder deposition spots. The filler alloy may be different than the non-fusion weldable base alloy. L'invention concerne un procédé permettant de retravailler un composant. Le procédé comprend l'étape consistant à remplir au moins partiellement une cavité dans un alliage de base soudable sans fusion au moyen de multiples couches de multiples points d'apport de poudre de type laser formés sur un alliage d'apport. Chacun des multiples points d'apport de poudre de type laser recouvre au moins partiellement au moins l'un des autres des multiples points d'apport de poudre de type laser. L'alliage d'apport peut être différent de l'alliage de base soudable sans fusion.