Electric heating – Inductive heating – With heat exchange
Patent
1995-06-06
1998-03-17
Hoang, Tu B.
Electric heating
Inductive heating
With heat exchange
219634, 219645, 72 60, 72 70, H05B 610
Patent
active
057283095
ABSTRACT:
For forming or consolidating organic matrix composites, for example, an organic matrix composite panel is sealed between sheets of a susceptor material that is susceptible to induction heating. The susceptor sheets are heated inductively. The sheets in turn conduct heat to the organic matrix composite panel. When heated to the desired temperature, the composite panel is consolidated and/or formed. In the present invention, the susceptor sheets are selected so that their magnetic permeability decreases to unity at approximately the desired operating temperature thereby limiting heating to this "Curie temperature" and providing substantial uniformity of temperature in the panel. Of course, the concept applies to other induction heating operations for metals including SPF, brazing, annealing, heat treating, bonding, hot pressing, and the like.
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deJong, executor John J.
Hansen, deceased Karl A.
Matsen Marc R.
Woods Edward J.
Hammar John C.
Hoang Tu B.
The Boeing Company
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