Plastic and nonmetallic article shaping or treating: processes – Direct application of electrical or wave energy to work – Producing or treating inorganic material – not as pigments,...
Patent
1997-10-14
2000-02-15
Parker, Fred J.
Plastic and nonmetallic article shaping or treating: processes
Direct application of electrical or wave energy to work
Producing or treating inorganic material, not as pigments,...
264434, 264478, 264645, 427212, 427213, 427215, 428688, B05D 700, C04B 3332
Patent
active
060249099
ABSTRACT:
A process for producing a ceramic-base sinter, comprising sintering coated ceramic particles wherein the particles are prepared for sintering by the steps of: dispersing a powder of ceramic core particles in a gaseous atmosphere to form a mixture of a gas and particles in a powder of highly dispersed core particles; charging a precursor for the coat forming substance that has been formed via the vapor phase and/or a precursor for the coat forming substance in a vapor-phase state and the mixture of the gas and the powder of highly dispersed core particles that have a predetermined dispersity according to the average diameter of the core particles in a coating start region of a coating space; coating the surfaces of the core particles with the coat forming substance by allowing the precursor to contact and/or impinge against the core particles; shaping and sintering the thus coated ceramic core particles or a mixture containing them under appropriate sintering conditions. The ceramic-base sinter of high performance thus produced is uniform, dense, and sintered firmly to provide a fine and highly controlled microstructure.
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Akiyama Satoshi
Fuyuki Tadashi
Hamada Yoshiaki
Kume Shoichi
Kuroda Eisuke
Agency of Industrial Science & Technology
Nisshin Flour Milling Co. Ltd.
Parker Fred J.
Weiser Gerard J.
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