Method For Porous Ceramic Honeycomb Shrinkage Reduction

Method For Porous Ceramic Honeycomb Shrinkage Reduction

A method for reducing shrinkage variability of ceramic honeycombs formed from batch mixtures including inorganic materials and a pore former. X is a cumulative amount of pore former particles having a diameter less than 37 μm. There is a maximum value of X (Xmax) and a minimum value of X (Xmin) duri...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MCCAULEY DANIEL EDWARD, WARREN CHRISTOPHER JOHN, GRAY SANDRA LEE, TEPESCH PATRICK DAVID, GOLOMB NANCY ANN, DENEKA THOMAS JAMES
Format: Patent
Sprache:eng
Schlagworte:
ARTIFICIAL STONE
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
LIME, MAGNESIA
METALLURGY
REFRACTORIES
SLAG
TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:A method for reducing shrinkage variability of ceramic honeycombs formed from batch mixtures including inorganic materials and a pore former. X is a cumulative amount of pore former particles having a diameter less than 37 μm. There is a maximum value of X (Xmax) and a minimum value of X (Xmin) during a production period, and X=Xmax−Xmin. The method fixes an amount of pore former fines such that X ranges from 25%-71% by volume, and X is 23% throughout the production period.