Filament winding apparatus and method for ceramic matrix composites
AssigneeRaytheon Technologies Corporation
InventorsDavid C. Jarmon, William K. Tredway
Life of this patent
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Abstract
An apparatus for making a composite article includes a monofilament feed track adapted to carry a spaced array of ceramic monofilament strands, a fiber yarn feed track adapted to carry a spaced array of fiber yarn tows impregnated with a plurality of glass particulates, a mandrel, and a heater assembly. The mandrel is adapted to wind together individual glass-impregnated fiber yarn strands and individual ceramic monofilament strands to form a dual-fiber weave. The heater assembly is adapted to heat at least the glass particulates such that pressure from the wound array of ceramic monofilaments is sufficient to consolidate the glass particulates and the dual-fiber weave into a dual-fiber ceramic matrix composite (CMC).
Claims13
A method for making a composite article, the method comprising:
- collimating a plurality of ceramic monofilaments into a first spaced array of ceramic monofilament strands;
- tensioning the first spaced array of ceramic monofilament strands;
- commingling the first spaced array of ceramic monofilament strands with a second array of fiber yarn tows, at least some of the fiber yarn tows impregnated with a plurality of glass particulates;
- heating the commingled first array of ceramic monofilament strands and second array of fiber yarn tows, thereby softening the plurality of glass particulates;
- winding the commingled glass monofilament strands and impregnated fiber yarn tows onto a mandrel;
- and
- consolidating the softened glass particulates, the fiber yarn tows, and the monofilament strands into a dual-fiber ceramic matrix composite (CMC) material.
Dependencies are inferred from the claim text.