GRAPHITE FIBER REINFORCED SILICA MATRIX COMPOSITE
Assignee
HUGHES AIRCRAFT COMPANY, A DE CORP
Filed
Aug 2, 1984
Granted
Dec 13, 1988
Location
El Segundo CA (Aerospace Corp/TRW)
Abstract
A graphite fiber reinforced silica matrix composite comprising a plurality of graphite fibers bonded together in a silica matrix comprised of silica, boron phosphate and beta-spodumene modified with a minor amount of an alkaline earth metal oxide is disclosed. The extremely low, nearly zero, coefficient of thermal expansion coupled with the moderate thermal conductivity and low density of the composite make the composite particularly suitable as a substrate material for high energy laser mirrors.
Source: Google Patents
35 USC §181 Secrecy Order
Imposed
Oct 18, 1985
Rescinded
Jun 9, 1988
Duration
2 years, 7 months
Inventor
- 1HYMAN LEGGETT
Sensitive facility: El Segundo CA (Aerospace Corp/TRW)
Record Details
- Patent number
- US 4791076
- Application
- 06637245
- Aerospace match
- Yes
- Dataset source
- 35 USC §181 SO records
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