Method for producing refractory nitrides
Patent
·
OSTI ID:6717727
Disclosed is a process for making fine, uniform metal nitride powders that can be hot pressed or sintered. A metal salt is placed in a solvent with Melamine and warmed until a metal-Melamine compound forms. The solution is cooled and the metal-Melamine precipitate is calcined at a temperature below 700/sup 0/C to form the metal nitrides and to avoid formation of the metal oxide.
- Research Organization:
- Oak Ridge National Lab., TN (USA)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- AC05-84OR21400
- Assignee:
- Dept. of Energy
- Patent Number(s):
- 4,800,183
- Application Number:
- 06/849,625
- OSTI ID:
- 6717727
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360201* -- Ceramics
Cermets
& Refractories-- Preparation & Fabrication
AMINES
AZINES
CALCINATION
CHEMICAL PREPARATION
CHEMICAL REACTIONS
DECOMPOSITION
HETEROCYCLIC COMPOUNDS
LUBRICANTS
MELAMINE
NITRIDES
NITROGEN COMPOUNDS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
PNICTIDES
POWDERS
PRECIPITATION
PRODUCTION
PYROLYSIS
REFRACTORIES
SEPARATION PROCESSES
SYNTHESIS
THERMOCHEMICAL PROCESSES
TRIAZINES
360201* -- Ceramics
Cermets
& Refractories-- Preparation & Fabrication
AMINES
AZINES
CALCINATION
CHEMICAL PREPARATION
CHEMICAL REACTIONS
DECOMPOSITION
HETEROCYCLIC COMPOUNDS
LUBRICANTS
MELAMINE
NITRIDES
NITROGEN COMPOUNDS
ORGANIC COMPOUNDS
ORGANIC NITROGEN COMPOUNDS
PNICTIDES
POWDERS
PRECIPITATION
PRODUCTION
PYROLYSIS
REFRACTORIES
SEPARATION PROCESSES
SYNTHESIS
THERMOCHEMICAL PROCESSES
TRIAZINES