METHOD FOR PRODUCING PTC CERAMIC CYLINDER

PROBLEM TO BE SOLVED: To uniformly sinter a PTC ceramic cylinder useful for the material of a self temperature-controlling heater, and the like, without breakage. SOLUTION: A cylindrical green body 1 molded from barium titanate raw material is embedded in heat-resistant powder 3 and then sintered to...

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Bibliographische Detailangaben
Hauptverfasser:	ITAKURA KIYOSHI, WATANABE TATSUJI, KURODA AKIHIRO
Format:	Patent
Sprache:	eng
Schlagworte:	ARTIFICIAL STONE BASIC ELECTRIC ELEMENTS CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE ELECTRICITY LIME, MAGNESIA METALLURGY PERFORMING OPERATIONS REFRACTORIES RESISTORS SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG, OR MIXTURESCONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER SLAG TRANSPORTING TREATMENT OF NATURAL STONE WORKING CEMENT, CLAY, OR STONE
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To uniformly sinter a PTC ceramic cylinder useful for the material of a self temperature-controlling heater, and the like, without breakage. SOLUTION: A cylindrical green body 1 molded from barium titanate raw material is embedded in heat-resistant powder 3 and then sintered to produce the PTC ceramic cylinder. The cylindrical green body 1 can uniformly be sintered without breakage.