Reinforcement preform, method of making same and reinforced comp

Details Reinforcement preform, method of making same and reinforced comp Reinforcement preform, method of making same and reinforced comp

1993-12-20

1995-06-27

Ryan, Patrick J.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

428358, 428359, 428360, 428361, 428606, 428607, 25238931, B32B 502, B32B 1500, B32B 1800

Patent

active

054278538

ABSTRACT:
A preform for impregnation of a metal or ceramic matrix material comprising a multiplicity of reinforcement particles bonded together so as to define a three-dimensional, open-cell reticulum comprising a plurality of randomly oriented thread-like portions interconnected one to the next via a plurality of nodes. A reinforced composite made from such preform and method of making the preform is disclosed/claimed wherein the reinforcement particles are mixed with prepolymers used to produce a fugitive binder for the particles comprising a foamed polymer, and the particles align themselves with the polymer portions of the resulting foam.

REFERENCES:
patent: 5171560 (1992-12-01), Tennent
Fred F. Lange et al, "Method for Processing Metal-Reinforced Ceramic Composites", Journal of the American Ceramic Society, 73(2) pp. 388-393 (Feb. 1990).
David R. Clarke, "Interpenetrating Phase Composites", J. Am. Ceram. Soc., 75(4) pp. 739-759 (Apr. 1992).

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