Silicon carbide fibre and production thereof

Details Silicon carbide fibre and production thereof Silicon carbide fibre and production thereof

1989-10-06

1991-11-05

Kendell, Lorraine T.

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Rod, strand, filament or fiber

428364, 428401, 501 95, D02G 300

Patent

active

050631071

ABSTRACT:
A silicon carbide fibre, which may have a mean crystallite size of greater than 500A, in which the silicon carbide constitutes greater than 90% by weight of the fibre, and in which the fibre is substantially homogeneous across a transverse section of the fibre. The fibre may be produced by a process which comprises forming a fibre from a homogeneous mixture comprising particulate silicon carbide dispersed in a solution of an organic polymeric material in a liquid medium, and heating the fibre at elevated temperature in order to decompose the organic polymeric material and to sinter the particles of silicon carbide.

REFERENCES:
patent: 3892583 (1975-07-01), Winter et al.
patent: 4315968 (1982-02-01), Suplinskas et al.
patent: 4340636 (1982-07-01), DeBolt et al.
patent: 4628002 (1986-12-01), Suplinskas et al.
patent: 4657991 (1987-04-01), Takamizawa et al.
patent: 4898778 (1990-02-01), Loszewski

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