Method of making a reinforcement preform and a reinforced compos

Details Method of making a reinforcement preform and a reinforced compos Method of making a reinforcement preform and a reinforced compos

1995-02-13

1996-05-28

Kuhns, Allan R.

Plastic and nonmetallic article shaping or treating: processes

Pore forming in situ

Composite article making

56123, 56125, C04B 3332, B29C 4404

Patent

active

055208614

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: 3644168 (1972-02-01), Bonk et al.
patent: 3946039 (1976-03-01), Walz
patent: 4803025 (1989-02-01), Brockmeyer
patent: 5171560 (1992-12-01), Tennent
patent: 5429780 (1995-07-01), Prin et al.
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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