Discontinuous graphite fiber reinforced glass composites

Details Discontinuous graphite fiber reinforced glass composites Discontinuous graphite fiber reinforced glass composites

1979-11-07

1981-04-21

Robinson, Ellis P.

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Physical dimension specified

428285, 428297, 428401, 428408, 428367, 428389, 428902, F06B 926, C03C 1300

Patent

active

042633672

ABSTRACT:
A graphite reinforced glass composite is described comprising discontinuous graphite fibers in substantially planar orientation in a glass matrix with strength and fracture toughness greater than the unreinforced glass matrix. The resulting composite has superior strength, fluid impermeability, wear resistance, failure strain and fracture toughness. In fact, the stress-strain, curve for composites of the invention resembles that of metal making it particularly suitable for a variety of moldable shapes and machinable designs.

REFERENCES:
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patent: 3431970 (1969-03-01), Olstowski
patent: 3607608 (1971-09-01), Siefert
patent: 3624005 (1971-01-01), Godron
patent: 3627551 (1971-12-01), Olstowski
patent: 3681187 (1972-08-01), Bowen
patent: 3713959 (1973-01-01), Rottmayer
patent: 3813232 (1974-05-01), Forker
Sambell et al., "Carbon Fibre Composites with Ceramic and Glass Matrices", J. Mat. Science, vol. 7, pp. 673-675 (1972).
Prewo et al., "Glass Matrix Composites-I-Fiber Reinforced Glass", Proceedings of the 2nd Intern. Con. on Composite Mat., 4/1978.
Bacon et al., Research on Graphite Reinforced Glass Matrix Composites, NASA Contract Report 145245, Jun. 1977.
Bacon et al., Research on Graphite Reinforced Glass Matrix Composites, NASA Contract Report 158946, Jun. 1978.

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