Process for preparing fine grain titanium carbide powder

Patent · Tue Nov 11 04:00:00 EST 1986

OSTI ID:7195159

Janey, M A

This patent describes a method for preparing titanium carbide powder of a purity greater than 99.9% in a submicron particle size range. The method comprises forming a mixture consisting essentially of a liquid organotitanate or an organititanate in solution and a solution of carbon precursor polymer. The organotitanate and the carbon precursor polymer are in essentially stoichiometric concentrations with respect to titanium and carbon. The organotitanate provides a crosslinking reaction with the carbon precursor polymer for forming a gel, heating the gel to successively dry the gel, drive volatile components from the gel and pyrolyze the polymer to form free carbon, and thereafter heating the remaining components of the gel to a temperature sufficient to convert the titanium and carbon to titanium carbide powder.

• Assignee: Dept. of Energy, Washington, DC
• Patent Number(s): US 4622215
• OSTI ID: 7195159
• Country of Publication: United States
• Language: English

Related Subjects

36 MATERIALS SCIENCE
360201* -- Ceramics
Cermets
& Refractories-- Preparation & Fabrication
CARBIDES
CARBON
CARBON COMPOUNDS
CHEMICAL PREPARATION
CHEMICAL REACTIONS
COLLOIDS
CROSS-LINKING
DECOMPOSITION
DISPERSIONS
ELEMENTS
GELS
HEATING
IMPURITIES
MATTER
MIXTURES
NONMETALS
PARTICLE SIZE
POLYMERIZATION
POLYMERS
POWDERS
PYROLYSIS
QUANTITY RATIO
SIZE
STOICHIOMETRY
SYNTHESIS
TEMPERATURE EFFECTS
THERMOCHEMICAL PROCESSES
TITANIUM CARBIDES
TITANIUM COMPOUNDS
TRANSITION ELEMENT COMPOUNDS
VOLATILE MATTER