Welded joints with polymer sealant

Details Welded joints with polymer sealant Welded joints with polymer sealant

2007-06-05

2007-06-05

Edmondson, Lynne R. (Department: 1725)

Metal fusion bonding

Process

Using dynamic frictional energy

Reexamination Certificate

active

10635829

ABSTRACT:
An assembly, such as an aircraft component, is formed with a weld joint by, for example, using friction stir welding, FSW, to form a lap joint between a stiffer and the interior surface of the skin of the component. A sealant layer, such as a monomer sealant/adhesive is applied to the surfaces to be joined, and is cured in place by the elevated temperatures of the welding process to form an elastomeric fay surface sealing, such as a fluoroelastomeric coating, to protect the component from corrosion at the welds. Additional heat for curing may be applied by laser or induction heating or the like.

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