Abstract: The present disclosure relates to aluminum titanate-containing ceramic-forming batch materials and methods using the same.

Abstract: A ceramic forming batch mixture including inorganic batch materials, such as sources of alumina, titania, and silica, a pore former combination including first and second pore formers with different compositions; an organic binder; and a solvent. Also disclosed is a method for producing a ceramic article involving mixing the inorganic batch materials with the pore former combination having first and second pore formers of different composition, adding an organic binder and a solvent, forming a green body; and firing the green body. A green body having a combination of first and second pore formers with different compositions is disclosed, as are several methods for firing to produce ceramic articles such as aluminum titanate.

Abstract: A ceramic forming batch mixture including inorganic batch materials, such as sources of alumina, titania, and silica, a low amount of one or more pore formers including at least one starch; an organic binder; and a solvent. Also disclosed is a method for producing a ceramic article involving mixing the inorganic batch materials with the low amount of pore former, adding an organic binder and a solvent, forming a green body; and firing the green body. A green body having a low amount of the one or more pore formers including starch is disclosed.

Abstract: A ceramic forming batch mixture including inorganic batch materials, such as sources of alumina, titania, and silica, a pore former combination including first and second pore formers with different compositions; an organic binder; and a solvent. Also disclosed is a method for producing a ceramic article involving mixing the inorganic batch materials with the pore former combination having first and second pore formers of different composition, adding an organic binder and a solvent, forming a green body; and firing the green body. A green body having a combination of first and second pore formers with different compositions is disclosed, as are several methods for firing to produce ceramic articles such as aluminum titanate.

Abstract: The present disclosure relates to aluminum titanate-containing ceramic-forming batch materials and methods using the same.

Abstract: The disclosure relates to methods for making aluminum titanate-containing ceramic bodies, and methods for predicting shrinkage and minimizing shrinkage variability of said bodies from target size.

Abstract: A method for controlling the dimensional shrinkage or growth of AT honeycomb structures during the firing process by control of the alkali metal ion content in the AT-forming batch materials extruded into an AT green body structure that is heated to form the fired AT honeycomb structure.

Abstract: The present disclosure relates to aluminum titanate-containing ceramic-forming batch materials and methods using the same.

Abstract: Trace cross-contamination in mixtures or preforms of plasticized ceramic-forming powder mixtures, arising for example in manufacturing facilities where components of one ceramic product being manufactured can contaminate mixtures for another product to be manufactured, are controlled by one or more of: the targeted decontamination of shared production lines, rapid trace analysis of the mixtures to establish the presence and/or concentration levels of contaminants, the application of statistical models to project final product properties based on the analyzed concentrations, and decisional analysis of appropriate corrective actions based on the statistical projections.

Abstract: 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 ?m. 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.

Abstract: A method is provided for marking a structure containing an ceramic-forming component by applying onto a green body a high temperature ink that has a metal-containing species and a metal complexing agent, wherein the metal in the metal-containing species reacts with the ceramic-forming component during firing of the green body to produce a compound that forms a contrasting mark on the resulting ceramic structure. A method is also provided for marking a ceramic-forming green body by applying a two-dimensional dot matrix mark formed of a high temperature ink onto a surface of the ceramic-forming green body, wherein each dot of the two-dimensional dot matrix is formed of a single drop of the high temperature ink.

Abstract: A method is disclosed for manufacturing a ceramic article that includes mixing at least one ceramic precursor inorganic ingredient, and at least one binder to form a plasticized mixture, wherein the binder includes a proteinous material. The mixture is extruded to form a green body. The green body can be heated to form the ceramic article.

Abstract: A ceramic forming batch mixture including inorganic batch materials, such as sources of alumina, titania, and silica, a low amount of one or more pore formers including at least one starch; an organic binder; and a solvent. Also disclosed is a method for producing a ceramic article involving mixing the inorganic batch materials with the low amount of pore former, adding an organic binder and a solvent, forming a green body; and firing the green body. A green body having a low amount of the one or more pore formers including starch is disclosed.

Abstract: A method is provided for marking a ceramic structure by applying a substance, such as an ink, onto a surface of a ceramic-forming green body structure, wherein the substance has an agent that chemically reacts with an ingredient of the green body structure during firing of the green body to produce a contrasting mark on the resulting ceramic structure. An ink containing an agent that chemically reacts with an ingredient of the green body structure is also provided. A ceramic article having a mark that includes a metal-containing compound is also provided.

Abstract: Aluminum titanate precursor batch compositions comprising a recycled aluminum titanate component, at least a portion of the recycled aluminum titanate component being comprised of a recycled pre-reacted aluminum titanate composition or alternatively of an un-reacted green aluminum titanate precursor composition, and methods for producing aluminum titanate ceramic articles utilizing the inventive batch compositions.

Abstract: An aluminum titanate ceramic article having a predominant crystal phase of aluminum titanate and a material composition including aluminum, titanium, silica, an alkaline earth metal (e.g., at least one selected from the group of strontium, calcium, barium, or combinations), and a rare earth metal (e.g., at least one selected from the group consisting of yttrium, lanthanum, and combinations) and methods of making such aluminum titanate bodies are described. An oxide of yttrium metal or lanthanide metals is preferably used as a sintering aid in combination with the other compositional components to enable firing of the resulting green body at a lower heating temperature of less than 1500° C., and more preferably between 1400°-1450° C., with a preferable hold time of less than 8 hours, more preferably of 6 to 8 hours.