Composite materials having multidirectional reinforcement textur

Details Composite materials having multidirectional reinforcement textur Composite materials having multidirectional reinforcement textur

1991-12-06

1992-07-21

Bell, James J.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Noninterengaged fiber-containing paper-free web or sheet...

428367, 428902, 501 88, 501 95, 501 96, B32B 506

Patent

active

051321696

ABSTRACT:
In order to obtain a reinforcement texture made essentially of silicon compound based ceramic fibers in the production of a composite material, the fibers are spun from a ceramic presursor in the molten state, after which they are submitted to a partial cross-linking in view of making the fibers infusible. The cross-linking of the fibers in the precursor in the infusible state is continued and, while they are maintained in the organic state, the cross-linked fibers are submitted to one or several textile-forming operations, such as weaving, layering, needling . . . in order to arrive at the multidirectional texture. Then, the texture is submitted to a heat treatment by pyrolysis to induce the ceramic state of the fibers and so obtain the required texture, which is essentially made of ceramic fibers having a silicon compound base, in particular silicon carbide.

REFERENCES:
patent: 4642271 (1987-02-01), Rice
patent: 4888311 (1989-12-01), Davidovits et al.
patent: 4931358 (1990-06-01), Wahl et al.
patent: 4992318 (1991-02-01), Gadkaree
patent: 5015540 (1991-05-01), Borom et al.
patent: 5026604 (1991-06-01), Thebault
patent: 5057465 (1991-10-01), Sakamoto et al.
patent: 5071700 (1991-12-01), Sugino et al.
patent: 5075160 (1991-12-01), Stinton et al.

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