HYBRID BONDED TURBINE ROTOR AND METHOD OF MANUFACTURING THE SAME

An hybrid bonded turbine rotor (110) and a method of manufacturing the same are provided. A hybrid bonded turbine rotor (110) comprises a turbine disk (122) and a plurality of turbine blades (124) each metallurgically bonded to a corresponding raised blade attachment surface of a plurality of raised...

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Bibliographische Detailangaben
Hauptverfasser:	ORTIZ, MILTON, MORRIS, MARK C, LEGZDINA, DAIRA, MITTENDORF, DON, RIAHI, ARDESHIR, VINUP, MICHAEL
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 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 PERFORMING OPERATIONS SOLDERING OR UNSOLDERING STEAM ENGINES TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS WEAPONS WELDING WORKING BY LASER BEAM
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Beschreibung
Zusammenfassung:	An hybrid bonded turbine rotor (110) and a method of manufacturing the same are provided. A hybrid bonded turbine rotor (110) comprises a turbine disk (122) and a plurality of turbine blades (124) each metallurgically bonded to a corresponding raised blade attachment surface of a plurality of raised blade attachment surfaces of the turbine disk (122) to define a bond plane located at a selected radial position. The turbine disk (122) has a rim portion comprising a live rim of circumferentially continuous material and a plurality of live rim notches in an outer periphery of the turbine disk 8122) altemating with the plurality of raised blade attachment surfaces defining the outer periphery. The selected radial position is outboard of the live rim. Each pair of adjacent turbine blades (124) defines a shank cavity therebetween. The shank cavity extends radially outwardly from the live rim and includes a live rim notch disposed below the bond plane and above the live rim.