Structural susceptor for thermoplastic welding

Details Structural susceptor for thermoplastic welding Structural susceptor for thermoplastic welding

1995-06-06

1998-02-10

Hoang, Tu B.

Electric heating

Inductive heating

With heat exchange

219603, 219633, H05B 610

Patent

active

057171912

ABSTRACT:
Thermoplastic welds suffer from significant residual tensile strain caused by differences in the coefficient of thermal expansion between the carbon fiber reinforced composite laminates and the unreinforced weld. A structural susceptor alleviates this strain by adding fiber reinforcement to the weld. A structural susceptor is a laminate of alternating layers of thermoplastic resin and fiber reinforcement sandwiching a conventional metal susceptor. A further advantage of the structural susceptor is the ability to peel it in selected locations to fill the gap between the laminates, eliminating costly profilometry of the faying surfaces and the associated problem of resin depletion where machining occurred to match the faying surfaces.

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