Method for forming fibrous silicon carbide insulating material

Patent · Tue Nov 06 04:00:00 EST 1984

OSTI ID:5895778

Wei, G C

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.

• Assignee: Dept. of Energy
• Patent Number(s): US 4481179
• OSTI ID: 5895778
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
360201* -- Ceramics
Cermets
& Refractories-- Preparation & Fabrication
360204 -- Ceramics
Cermets
& Refractories-- Physical Properties
AEROSPACE INDUSTRY
ARGON
ATMOSPHERES
CARBIDES
CARBON
CARBON BLACK
CARBON COMPOUNDS
CHALCOGENIDES
CHEMICAL BONDS
CHEMICAL PREPARATION
COMPOSITE MATERIALS
CONTROLLED ATMOSPHERES
ELEMENTS
FABRICATION
FIBERS
FLUIDS
GASES
HEAT TREATMENTS
INDUSTRY
MATERIALS
MINERALS
NONMETALS
OXIDE MINERALS
OXIDES
OXYGEN COMPOUNDS
PHYSICAL PROPERTIES
RARE GASES
SILICA
SILICON CARBIDES
SILICON COMPOUNDS
SILICON OXIDES
SYNTHESIS
THERMAL INSULATION
THERMODYNAMIC PROPERTIES