Method for induction heating of composite materials
First Claim
1. A method for heating a structure formed of a resin reinforced with electrically conductive fibers aligned within the resin in a two dimensional array in a plane of the structure by means of a magnetic field induced at a frequency in a predetermined direction in a plane, said method comprising:
- applying an electrically conductive heating material to said plane of said structure, said heating material being capable of coupling with said magnetic field and being heated thereby, and orienting the plane of said structure within and aligned with a plane of the induced magnetic field whereby said fibers are substantially within and aligned with said plane of said induced magnetic field without being substantially heated thereby.
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Accused Products
Abstract
A method for heating a composite comprising a nonconductive material that is a thermoplastic or a thermoset reinforced with conductive materials such as carbon fibers, by incorporating coupling particles in the structure. The structure is oriented in the plane of a magnetic field induced at frequencies from 3 kHz to 7 MHz, whereby the coupling particles respond as susceptors to the induced magnetic field and are preferentially heated (carbon fibers are not heated).
75 Citations
13 Claims
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1. A method for heating a structure formed of a resin reinforced with electrically conductive fibers aligned within the resin in a two dimensional array in a plane of the structure by means of a magnetic field induced at a frequency in a predetermined direction in a plane, said method comprising:
- applying an electrically conductive heating material to said plane of said structure, said heating material being capable of coupling with said magnetic field and being heated thereby, and orienting the plane of said structure within and aligned with a plane of the induced magnetic field whereby said fibers are substantially within and aligned with said plane of said induced magnetic field without being substantially heated thereby.
- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
Specification