Method for preparing a tri-property rotor assembly of a turbine engine

A rotor assembly (20) of an axial flow turbine engine has a bladed ring (26) including a ring (32), and a plurality of turbine blades (30) affixed to the ring (32) and extending radially outwardly from the ring (32). There is a solid state weld joint (34) between a central disk hub (28) and the ring...

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Bibliographische Detailangaben
Hauptverfasser:	CARRIER, CHARLES WILLIAM, GROH, JON RAYMOND
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 rotor assembly (20) of an axial flow turbine engine has a bladed ring (26) including a ring (32), and a plurality of turbine blades (30) affixed to the ring (32) and extending radially outwardly from the ring (32). There is a solid state weld joint (34) between a central disk hub (28) and the ring (32) of the bladed ring (26). In one approach, the rotor assembly (20) is prepared by bonding the plurality of turbine blades (30) to the coarse-grain ring (32) so that the turbine blades (30) extend outwardly from the ring (32), providing the fine-grain central disk hub (28), and solid-state inertia welding the central disk hub (28) and the ring (32) of the bladed ring (26) at a solid state weld joint (34).