Method for manufacturing ceramic honeycombs with reduced shrinkage

A method of manufacturing porous ceramic articles is provided that includes forming a plurality of extruded green bodies from a ceramic precursor batch composition. The method also includes firing the extruded green bodies in a tunnel kiln to produce porous ceramic articles, periodically determining...

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Bibliographische Detailangaben
Hauptverfasser:	Balster Jean E, Howell Joshua L, McCauley Daniel Edward, Brown Michael P, Deneka Thomas James
Format:	Patent
Sprache:	eng
Schlagworte:	ARTIFICIAL STONE BLASTING CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE FURNACES FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL HEATING KILNS LIGHTING LIME, MAGNESIA MECHANICAL ENGINEERING METALLURGY OPEN SINTERING OR LIKE APPARATUS OVENS PERFORMING OPERATIONS REFRACTORIES RETORTS SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG, OR MIXTURESCONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER SLAG TRANSPORTING TREATMENT OF NATURAL STONE WEAPONS WORKING CEMENT, CLAY, OR STONE
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Beschreibung
Zusammenfassung:	A method of manufacturing porous ceramic articles is provided that includes forming a plurality of extruded green bodies from a ceramic precursor batch composition. The method also includes firing the extruded green bodies in a tunnel kiln to produce porous ceramic articles, periodically determining a shrinkage characteristic of at least one sample passing through the tunnel kiln, and adjusting a top soak temperature in the kiln if the shrinkage characteristic is outside of a predetermined range.