Friction welding process

Details Friction welding process Friction welding process

2004-12-30

2008-09-02

Lorengo, Jerry (Department: 1793)

Metal fusion bonding

Including means to provide heat by friction between...

C228S141100, C156S073500, C156S304100, C156S304200, C156S304600

Reexamination Certificate

active

07419082

ABSTRACT:
A friction welding process providing a workpiece having a weld surface, and a second workpiece having a weld surface. The workpieces being welded together at respective weld surfaces. Oscillatory motion is affected to the workpieces such that one weld surface moves across the other, thereby raising the temperature at the weld surfaces to create a weld interface. The oscillatory motion is ceased and the weld surfaces cool to weld the workpieces together at the interface. The workpiece has an extending portion, and the weld surface is provided on the extending portion. The extending portion includes an apex region, which engages the second workpiece's weld surface. A side face extends from the apex region to provide a gap between the side face and the second workpiece's weld surface. The gap allows weld flash material to pass from the weld interface through said gap.

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