Hybrid composite articles and missile components, and their fabr

Details Hybrid composite articles and missile components, and their fabr Hybrid composite articles and missile components, and their fabr

1995-06-07

1998-10-20

Turner, Archene

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

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

428212, 4282974, 4283007, 428447, 428450, 428457, 428417, 428418, 442156, 257625, 257675, 257706, 257712, B32B 506

Patent

active

058244042

ABSTRACT:
A surface-protected composite article, such as a missile component, is prepared with a heat-sink substrate, a first composite layer of an pre-ceramic-matrix structural composite material, and a second composite layer of a reinforced silicone pre-ceramic material. The silicone material is co-curable with the organic matrix of the first composite layer. The silicone at the surface of the article is thereafter converted to a silica refractory by an appropriate treatment such as exposure to an oxygen-rich plasma or a high-surface temperature. The silica protects the surface of the composite material.

REFERENCES:
patent: 4041872 (1977-08-01), McCown et al.
patent: 4341965 (1982-07-01), Okuo et al.
patent: 4961989 (1990-10-01), Grimwood
patent: 5552466 (1996-09-01), Beckley et al.
FR 2 681 940 A (Rheinmetall GmbH) * the whole document* Sep. 1992.
R. Baney: "Preceramic polymers" 1990, Wiley X P000577869 *p. 899-p. 902*.
D. Wilson: "Development of silicone matrix-based advanced composites for thermal protection" 1994, Institute of Physics, UK X P000576982 *p. 165-p. 181*.
D. Wilson: "Development of new materials for missile lauch structures" Nov. 1993, CPIA, US XP000577431 *p. 175-p. 184*.

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