Method for forming fibrous silicon carbide insulating material
Patent
·
OSTI ID:6831720
A method whereby silicon carbide-bonded SiC fiber composites are prepared from carbon-bonded C fiber composites is disclosed. Carbon-bonded C fiber composite material is treated with gaseous silicon monoxide generated from the reaction of a mixture of colloidal silica and carbon black at an elevated temperature in an argon atmosphere. The carbon in the carbon bond and fiber is thus chemically converted to SiC resulting in a silicon carbide-bonded SiC fiber composite that can be used for fabricating dense, high-strength high-toughness SiC composites or as thermal insulating materials in oxidizing environments.
- DOE Contract Number:
- AC05-84OR21400
- Assignee:
- Dept. of Energy
- Patent Number(s):
- None
- Application Number:
- ON: DE84014658
- OSTI ID:
- 6831720
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360201* -- Ceramics
Cermets
& Refractories-- Preparation & Fabrication
360301 -- Composite Materials-- Preparation & Fabrication-- (-1987)
CARBIDES
CARBON
CARBON COMPOUNDS
COMPOSITE MATERIALS
ELEMENTS
FIBERS
MATERIALS
NONMETALS
PRODUCTION
SILICON CARBIDES
SILICON COMPOUNDS
THERMAL INSULATION
360201* -- Ceramics
Cermets
& Refractories-- Preparation & Fabrication
360301 -- Composite Materials-- Preparation & Fabrication-- (-1987)
CARBIDES
CARBON
CARBON COMPOUNDS
COMPOSITE MATERIALS
ELEMENTS
FIBERS
MATERIALS
NONMETALS
PRODUCTION
SILICON CARBIDES
SILICON COMPOUNDS
THERMAL INSULATION