Process for making ultra-fine ceramic particles

Plastic and nonmetallic article shaping or treating: processes – Explosive or propellant article shaping or treating – Forming or treating particulate material

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264 56, 264 65, 501103, 501134, 501152, 423 1, 423659, C01B 1334, C01G 100, C01F 100

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054684277

ABSTRACT:
A process for producing ultra-fine ceramic particles in which droplets are formed from a ceramic precursor mixture containing a metal cation, a nitrogen-containing fuel, a solvent, and an anion capable of participating in an anionic oxidation-reduction reaction with the nitrogen containing fuel. The nitrogen-containing fuel contains at least three nitrogen atoms, at least one oxygen atom, and at least one carbon atom. The ceramic precursor mixture is dried to remove at least 85 weight percent of the solvent, and the dried mixture is then ignited to form a combusted powder.

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D. W. Johnson, Jr. & P. K. Gallagher, "Reactive Powders from Solution," from Ceramic Processing Before Firing, Ed. by Onoda, Jr & Hench, 1978, pp. 125-139.

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