Three-body joining using friction stir processing techniques

Details Three-body joining using friction stir processing techniques Three-body joining using friction stir processing techniques

2007-06-13

2010-12-07

Ward, Jessica L (Department: 1793)

Metal fusion bonding

Process

Using dynamic frictional energy

C228S002100

Reexamination Certificate

active

07845545

ABSTRACT:
A friction stir tool is provided to perform friction stir riveting using a partially consumable pin, wherein the pin includes a cutting edge on a bottom surface thereof, wherein the tool is rotated at a first speed to enable cutting by the pin into a first material that is overlapping a second material, wherein after the pin has cut to a sufficient depth, the rotational speed of the tool is increased to thereby enable plasticization of the consumable pin, the first material, and the second material, wherein the tool is then rapidly decelerated until stopped, enabling diffusion bonding between the pin, the first material and the second material.

REFERENCES:
patent: 5697544 (1997-12-01), Wykes
patent: 6497355 (2002-12-01), Ding et al.
patent: 6742697 (2004-06-01), McTernan
patent: 6843404 (2005-01-01), Litwinski
patent: 6988651 (2006-01-01), Stevenson et al.
patent: 2002/0125297 (2002-09-01), Stol et al.
patent: 2003/0201306 (2003-10-01), McTernan et al.
patent: 1466896 (1989-03-01), None
Derwent translation of SU 1466896 A, abstract.

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