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Title: Method of making metal oxide ceramic powders by using a combustible amino acid compound

Patent ·
OSTI ID:868296
 [1];  [2];  [2]
  1. Kennewick, WA
  2. Richland, WA
+ Show Author Affiliations

This invention is directed to the formation of homogeneous, aqueous precursor mixtures of at least one substantially soluble metal salt and a substantially soluble, combustible co-reactant compound, typically an amino acid. This produces, upon evaporation, a substantially homogeneous intermediate material having a total solids level which would support combustion. The homogeneous intermediate material essentially comprises highly dispersed or solvated metal constituents and the co-reactant compound. The intermediate material is quite flammable. A metal oxide powder results on ignition of the intermediate product which combusts same to produce the product powder.

Research Organization:
Pacific Northwest National Laboratory (PNNL), Richland, WA (United States)
DOE Contract Number:
AC06-76RL01830
Assignee:
Battelle Memorial Institute (Richland, WA)
Patent Number(s):
US 5114702
OSTI ID:
868296
Country of Publication:
United States
Language:
English

References (6)

Formation of Y-Ba-Cu-O Superconducting Film by a Spray Pyrolysis Method journal October 1987
Production of strontium-substituted lanthanum manganite perovskite powder by the amorphous citrate process journal September 1982
Production of Conducting Oxide Powders by Amorphous Citrate Process journal January 1979
Preparation of Strontium Titanate Ceramics and Internal Boundary Layer Capacitors by the Pechini Method journal January 1984
Synthesis of Air-Sinterable Lanthanum Chromite Powders journal January 1989
Properties of Y-Ba-Cu-O Film Formed by the Spray Pyrolysis Method journal January 1987

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Related Subjects

method
metal
oxide
ceramic
powders
combustible
amino
acid
compound
directed
formation
homogeneous
aqueous
precursor
mixtures
substantially
soluble
salt
co-reactant
typically
produces
evaporation
intermediate
material
total
solids
level
support
combustion
essentially
comprises
highly
dispersed
solvated
constituents
flammable
powder
results
ignition
product
combusts
produce
substantially homogeneous
precursor mixture
ceramic powder
ceramic powders
metal constituents
amino acid
metal oxide
metal salt
oxide ceramic
oxide powder
soluble metal
intermediate product
acid compound
precursor mixtures
metal constituent
highly dispersed
total solids
substantially soluble
comprises highly
essentially comprises
intermediate material
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