Formation of fine particle sinterable ceramic powders
Patent
·
OSTI ID:6923260
A method is described of preparing a sinterable metal oxide ceramic precursor powder, comprising: mixing an aqueous solution of polyvalent metal cations of one or more metals taken from the group consisting of yttrium and zirconium with an aqueous solution of ammonium polyacrylate to form a metal polyacrylate precipitate, separating the precipitate from the aqueous mother liquid, burning out the organic portion of the precipitate, and calcining the ash to form a sinterable ceramic percursor powder.
- Assignee:
- General Motors Corp., Detroit, MI
- Patent Number(s):
- US 4627966
- OSTI ID:
- 6923260
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
36 MATERIALS SCIENCE
360201* -- Ceramics
Cermets
& Refractories-- Preparation & Fabrication
AMMONIUM COMPOUNDS
AQUEOUS SOLUTIONS
ASHES
CALCINATION
CERAMICS
CHEMICAL PREPARATION
CHEMICAL REACTIONS
COMBUSTION
DECOMPOSITION
DISPERSIONS
ESTERS
FABRICATION
MIXTURES
ORGANIC COMPOUNDS
ORGANIC POLYMERS
OXIDATION
PARTICLES
POLYACRYLATES
POLYMERS
POLYVINYLS
POWDERS
PYROLYSIS
RESIDUES
SEPARATION PROCESSES
SINTERING
SOLUTIONS
SYNTHESIS
THERMOCHEMICAL PROCESSES
TRANSITION ELEMENT COMPOUNDS
YTTRIUM COMPOUNDS
ZIRCONIUM COMPOUNDS
360201* -- Ceramics
Cermets
& Refractories-- Preparation & Fabrication
AMMONIUM COMPOUNDS
AQUEOUS SOLUTIONS
ASHES
CALCINATION
CERAMICS
CHEMICAL PREPARATION
CHEMICAL REACTIONS
COMBUSTION
DECOMPOSITION
DISPERSIONS
ESTERS
FABRICATION
MIXTURES
ORGANIC COMPOUNDS
ORGANIC POLYMERS
OXIDATION
PARTICLES
POLYACRYLATES
POLYMERS
POLYVINYLS
POWDERS
PYROLYSIS
RESIDUES
SEPARATION PROCESSES
SINTERING
SOLUTIONS
SYNTHESIS
THERMOCHEMICAL PROCESSES
TRANSITION ELEMENT COMPOUNDS
YTTRIUM COMPOUNDS
ZIRCONIUM COMPOUNDS