Process for the production of a composite material with matrix a

Details Process for the production of a composite material with matrix a Process for the production of a composite material with matrix a

1989-05-11

1990-12-11

Morgenstein, Norman

Plastic and nonmetallic article shaping or treating: processes

Carbonizing to form article

With carbonizing, then adding carbonizable material and...

264 291, 427228, 427249, 4272552, 4273977, 4274192, 4274197, 427140, 427252, C23C 1632, C01B 3100

Patent

active

049768999

ABSTRACT:
A process for the production of a composite material with matrix and reinforcing fibers of carbon. The process comprises: (a) forming a porous substrate (2) of carbon fibers; (b) covering the surface of each fiber wih a fine silicon carbide coating (6) by chemical vapor deposition; (c) shaping the substrate; (d) embedding the substrate in a carbon matrix (4) containing at most 20% by weight siliconcarbide; (e) covering the outer surface of the matrix with an outer silicon carbide covering (10) which contains cracks (12); and (f) filling the cracks in the outer covering with at least a borosilicate glass (16).

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