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USISBN Number:
WO9110620A1Abstract:
Ceramic precursor mixt. comprising a metal cation capable of being converted to a metal oxide by thermal energy, a carbohydrate, and an anion capable of participating in an anionic oxidn.-redn. reaction with the carbohydrate is converted to ceramic powder by forming droplets of the precursor mixt., removing all the solvent from the droplets, thermally initiating an anionic oxidn.-redn. reaction between the anion and carbohydrate to form a multiphase ceramic material consisting of carbonates, hydroxides, and oxides of metal cation, and heating the particles to convert the multiphase ceramic into a single-phase ceramic. This process is used for the manuf. of superconductive and nonsuperconductive ceramic powders.