Method for the manufacture or repair of a blisk by linear fricti

Details Method for the manufacture or repair of a blisk by linear fricti Method for the manufacture or repair of a blisk by linear fricti

1998-06-22

2000-08-01

Mills, Gregory

Metal fusion bonding

Process

Using dynamic frictional energy

228119, 298891, B23K 2012, B23P 600

Patent

active

060954027

ABSTRACT:
A method of making a BLISK by linear friction welding, comprises providing a stub on the circumferential surface of a turbine disk and defining a weld joint surface on the radially outermost face of the stub. The weld joint surface follows the annulus curvature in axial and circumferential directions while remaining flat in a third direction. A blade is applied radially to the stub and linear friction welding of the blade to the stub is effected by oscillating the blade in said third direction while applying a welding force inwardly along the blade.

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