Method for linear friction welding and product made by such meth

Details Method for linear friction welding and product made by such meth Method for linear friction welding and product made by such meth

1999-01-25

2000-08-22

Look, Edward K.

Fluid reaction surfaces (i.e., impellers)

Specific working member mount

Welded, cemented or fused

416219R, 2281121, F01D 530

Patent

active

061062332

ABSTRACT:
A process for joining a base for an airfoil to a disk for an integrally bladed rotor stage in a gas turbine engine includes providing a disk having a radially outer rim with a slot defined therein by a recessed surface, and further includes providing a base having a longitudinally extending root portion facing opposite a longitudinally extending support portion for supporting the airfoil. The root portion has a root surface and the support portion has an outer surface. The process further includes bringing the root surface of the root portion into contact with the recessed surface bounding the slot, applying pressure and relative movement between the base and the rim to achieve during welding, substantial contiguity between the root surface and the recessed surface over the area of the recessed surface, resulting in a substantially continuous linear friction weld between the base and the rim.

REFERENCES:
patent: 3297301 (1967-01-01), Petrie et al.
patent: 3910719 (1975-10-01), Hessler et al.
patent: 5366344 (1994-11-01), Gillbanks et al.
patent: 5551623 (1996-09-01), Collot et al.

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