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US 6,585,839 B2Granted
Method of fabricating a polymer-matrix fiber-reinforced composite and the product thereof
AssigneeFoster-Miller, Inc.
InventorsJack A. Woods, Joseph S. Boyce, Dave A. Evans
Life of this patent
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Abstract
A method of fabricating a fiber matrix composite structure including assembling a plurality of plies of fiber-reinforced polymer-matrix material on a mandrel; engaging an ultrasonic horn with the top surface of uppermost ply; and orienting the horn at an acute angle with respect to the top surface and energizing the horn to inducing a shear force in the plies to heat and consolidate the plies.
Claims8
A method of fabricating a fiber matrix composite structure, the method comprising:
- assembling a stack of plies of fiber-reinforced polymer-matrix material on a mandrel in which said piles comprise at least 40% fiber;
- engaging an ultrasonic horn with the top surface of uppermost ply;
- and
- orientating said horn at an acute angle with respect to the top surface and energizing said horn to induce a shearing motion in the plies to heat and consolidate said plies forming a composite structure.
1 more element
A fiber matrix composite structure manufactured by the process comprising:
- assembling a stack of plies of fiber-reinforced polymer-matrix material on a mandrel in which said plies comprise at least 40% fiber;
- engaging an ultrasonic horn with the top surface of uppermost ply;
- and
- orientating said horn at an acute angle with respect to the top surface and energizing said horn to induce a shearing motion in the plies to heat and consolidate said plies forming a composite structure.
1 more element
Dependencies are inferred from the claim text.