초록 ▼

Small diameter silicon carbide-containing fibers are provided in a bundle such as a fiber tow that can be formed into a structure where the radii of curvature is not limited to 10-20 inches. An aspect of this invention is directed to impregnating the bundles of fibers with the slurry composition to

Small diameter silicon carbide-containing fibers are provided in a bundle such as a fiber tow that can be formed into a structure where the radii of curvature is not limited to 10-20 inches. An aspect of this invention is directed to impregnating the bundles of fibers with the slurry composition to substantially coat the outside surface of an individual fiber within the bundle and to form a complex shaped preform with a mass of continuous fibers.

대표청구항 ▼

[ What is claimed:] [1.]1. An improved silicon carbide-containing fiber preform comprising 1-dimensional, 2-dimensional, or 3-dimensional aligned tows of silicon carbide-containing fibers, each fiber having a diameter up to and including 40 micrometers and coated with a slurry composition comprising

[ What is claimed:] [1.]1. An improved silicon carbide-containing fiber preform comprising 1-dimensional, 2-dimensional, or 3-dimensional aligned tows of silicon carbide-containing fibers, each fiber having a diameter up to and including 40 micrometers and coated with a slurry composition comprising at least one high char yielding resin selected from a carbon forming resin or a ceramic forming resin or a mixture of both, and carbon particles and silicon carbide particles having a mean particle size of about 0.1 to 20 micrometers.