Metal fusion bonding – Process – Using dynamic frictional energy
Patent
1998-03-04
2000-04-04
Ryan, Patrick
Metal fusion bonding
Process
Using dynamic frictional energy
228 21, B23K 2012, B23K 3102, B23K 3700
Patent
active
060450274
ABSTRACT:
The present invention provides novel joint designs and methods for holding together and drawing together interface edges of workpieces during friction stir welding. The method includes providing an interface edge (30A) on a first workpiece (20A), and an interface edge (30B) on a second workpiece (20B) that is complementary with the interface edge of the first workpiece. The interface edges cooperate with consumable pins (38) to hold the first and second workpieces together. In a preferred embodiment, the interface edges cooperate to draw the first and second workpieces together when a load in a direction normal to the interfaces is applied along the mated interfaces.
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Litwinski Edward
Rosen Charles D.
Valdez Juan M.
Field Harry B.
Ryan Patrick
Stoner Kiley
The Boeing Company
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