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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
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)

Production of Conducting Oxide Powders by Amorphous Citrate Process journal January 1979
Production of strontium-substituted lanthanum manganite perovskite powder by the amorphous citrate process journal September 1982
Properties of Y-Ba-Cu-O Film Formed by the Spray Pyrolysis Method journal January 1987
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
Formation of Y-Ba-Cu-O Superconducting Film by a Spray Pyrolysis Method journal October 1987

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Related Subjects

/423/501/505/
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acid compound
amino
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