Composite preforms and articles and methods for their manufactur

Details Composite preforms and articles and methods for their manufactur Composite preforms and articles and methods for their manufactur

1990-02-14

1992-05-12

Thibodeau, Paul J.

Plastic and nonmetallic article shaping or treating: processes

With twining, plying, braiding, or textile fabric formation

428225, 428244, 428288, 428289, 428408, 264137, 264257, B29D 2800, B01D 2800, D02G 120

Patent

active

051125455

ABSTRACT:
A multi-dimensional (e.g., 3D braided) preform formed of reinforcement strands or filaments is rigidized by impregnating the preform with a resin solution (e.g., silicone resin solution), curing the resin to impart a selected shape to the preform and then heating the shaped preform to convert the cured resin to inorganic solids (e.g., silica solids) so dispersed in an effective amount between the strands as to rigidize the preform. The rigidized preform is then infiltrated with an inorganic matrix (e.g., a ceramic material) to form a composite article.

REFERENCES:
patent: 3966522 (1976-06-01), Hatch et al.
patent: 4396663 (1983-08-01), Mitchell et al.
patent: 4467838 (1984-08-01), Rheaume
patent: 4729860 (1988-03-01), Leach
patent: 4741873 (1988-05-01), Fischer et al.
Information about Silicone Resins, Copyrighted 1985, Dow Corning Corporation.

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