Process for producing composite materials with reinforcement in

Details Process for producing composite materials with reinforcement in Process for producing composite materials with reinforcement in

1989-04-27

1991-12-10

Nelson, Peter A.

Coating processes

Nonuniform coating

Applying superposed diverse coatings or coating a coated base

427204, 427309, 501 35, 501 90, B05D 136, C04B 3552

Patent

active

050716794

ABSTRACT:
The process comprises the steps of forming a fibrous reinforcement with silicium carbide fibers, forming on the fibers an intermediate coating designed to constitute an interface between the fibers and a matrix, and forming a matrix in ceramic material within the residual porosity of the fibrous reinforcement. In a step prior to the formation of the intermediate coating, a treatment is carried out by the chemical route for the elimination of the silica present on the surface of the silicium carbide fibers.

REFERENCES:
patent: 4022585 (1977-05-01), Kaye
patent: 4065592 (1977-12-01), Von McAllister
patent: 4429322 (1984-01-01), Dressler et al.
patent: 4935214 (1990-06-01), Pugar et al.

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