Friction stir welding method and friction stir welding tool

Details Friction stir welding method and friction stir welding tool Friction stir welding method and friction stir welding tool

2006-11-07

2010-12-07

Wyszomierski, George (Department: 1793)

Metal fusion bonding

Process

Using dynamic frictional energy

C228S002100, C228S002300

Reexamination Certificate

active

07845544

ABSTRACT:
In a friction stir welding method for friction stirring and welding a material by using a rotating tool having a shoulder and a pin at a front portion of a shaft portion and ejecting a cooling agent from a cooling nozzle to the tool to be cooled thereby, the cooling agent is ejected to a middle portion in an axial direction of the tool to thereby prevent thermal expansion in an axial direction of the tool.

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