HIGH OXYGEN FAST FIRING METHODS FOR CERAMICS MANUFACTURE

A method for firing a green honeycomb body and for manufacturing a cordierite honeycomb body. The honeycomb body is heated from an initial kiln temperature to a first kiln temperature that is from about 300° C. to 400° C., at an oxygen concentration greater than 16%. The honeycomb body is heated to...

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Bibliographische Detailangaben
Hauptverfasser:	SHAVER, Rachel Marie, VAYANSKY, Michael James
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE LIME, MAGNESIA METALLURGY PERFORMING OPERATIONS REFRACTORIES 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:	A method for firing a green honeycomb body and for manufacturing a cordierite honeycomb body. The honeycomb body is heated from an initial kiln temperature to a first kiln temperature that is from about 300° C. to 400° C., at an oxygen concentration greater than 16%. The honeycomb body is heated to a second kiln temperature that is from about 600° C. to 700° C. at a second heating rate of greater than 125° C./hr. The honeycomb body is heated to a third kiln temperature that is from about 800° C. to 900° C. at a third heating rate that is less than or equal to the second heating rate. The honeycomb body is heated to a fourth kiln temperature that is from about 1300° C. to 1450° C. at a fourth heating rate that is less than or equal to the third heating rate.