METHOD FOR PRODUCING ALUMINUM TITANATE-BASED CERAMIC HONEYCOMB STRUCTURE

PROBLEM TO BE SOLVED: To provide a method for producing an aluminum titanate-based ceramic honeycomb structure which is hardly cracked by relieving the shrinkage occurring during firing. SOLUTION: The method for producing an aluminum titanate-based ceramic honeycomb structure includes mixing, formin...

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1. Verfasser:	KUMAGAI TOMOMASA
Format:	Patent
Sprache:	eng
Schlagworte:	ARTIFICIAL STONE BLASTING CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE ENGINE PLANTS IN GENERAL GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL HEATING LIGHTING LIME, MAGNESIA MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING METALLURGY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL REFRACTORIES SEPARATION SLAG STEAM ENGINES TRANSPORTING TREATMENT OF NATURAL STONE WEAPONS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a method for producing an aluminum titanate-based ceramic honeycomb structure which is hardly cracked by relieving the shrinkage occurring during firing. SOLUTION: The method for producing an aluminum titanate-based ceramic honeycomb structure includes mixing, forming, and drying a material including a ceramic raw material including at least a titania powder and an alumina powder and a binder to form a dried honeycomb and firing the dried honeycomb. In the firing step, the honeycomb structure is fired under the following conditions: V1V3, wherein V1 is the heating rate in the temperature range where the shrinkage is mainly caused by the titania powder and the alumina powder; V2 is the heating rate in the temperature range where the synthetic reaction of aluminum titanate mainly proceeds; and V3 is the heating rate in the temperature range where the firing reaction of aluminum titanate mainly proceeds. COPYRIGHT: (C)2010,JPO&INPIT