Method for producing pure monocarbides, mononitrides, and carbonitrides
Patent
·
OSTI ID:7145658
Pure monocarbides, or pure mononitrides or carbonitrides of metals are prepared by first forming a mixture of carbon with an oxalate of the metals and thermally decomposing the metal oxalate in the presence of the carbon by a stream of hydrogen. The hydrogen is removed and monocarbides are then formed by heating the decomposition products in vacuo to carbothermally reduce them. Mononitrides and carbonitrides can be formed by replacing the hydrogen with nitrogen and heating the decomposition products in the nitrogen. Four examples are given illustrating the application to uranium and tantalum compounds.
- Assignee:
- Gesellschaft fur Kernforschung mbH
- Patent Number(s):
- US 3976749
- OSTI ID:
- 7145658
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
050700 -- Nuclear Fuels-- Fuels Production & Properties
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS
36 MATERIALS SCIENCE
360201* -- Ceramics
Cermets
& Refractories-- Preparation & Fabrication
ACTINIDE COMPOUNDS
CARBIDES
CARBON COMPOUNDS
CARBONITRIDES
CARBOXYLIC ACID SALTS
CHEMICAL PREPARATION
CHEMICAL REACTIONS
CRYOGENIC FLUIDS
DECOMPOSITION
ELEMENTS
FLUIDS
HYDROGEN
NITRIDES
NITROGEN
NITROGEN COMPOUNDS
NONMETALS
OXALATES
PNICTIDES
SYNTHESIS
URANIUM CARBIDES
URANIUM COMPOUNDS
URANIUM NITRIDES
11 NUCLEAR FUEL CYCLE AND FUEL MATERIALS
36 MATERIALS SCIENCE
360201* -- Ceramics
Cermets
& Refractories-- Preparation & Fabrication
ACTINIDE COMPOUNDS
CARBIDES
CARBON COMPOUNDS
CARBONITRIDES
CARBOXYLIC ACID SALTS
CHEMICAL PREPARATION
CHEMICAL REACTIONS
CRYOGENIC FLUIDS
DECOMPOSITION
ELEMENTS
FLUIDS
HYDROGEN
NITRIDES
NITROGEN
NITROGEN COMPOUNDS
NONMETALS
OXALATES
PNICTIDES
SYNTHESIS
URANIUM CARBIDES
URANIUM COMPOUNDS
URANIUM NITRIDES