A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
NARROW PORE SIZE DISTRIBUTION ALUMINUM TITANATE BODY
This invention relates to an aluminum titanate body having a narrow pore size distribution as characterized by the relation (d50-d10)/d50 being less than 0.50 corresponding to a high degree of interconnected porosity. The body also preferably exhibits a low coefficient of thermal expansion of less than 15x10-7 C-1, high porosity of at least 38% by volume, and at least 0.10% by weight metal oxide, the metal being either yttrium, calcium, bismuth, a lanthanide metal or combinations of thereof. MOR is preferably at least 450 psi. Median pore diameter is preferably at least 8 microns. The inventive ceramic body is particularly useful as a wall-flow filter for a diesel exhaust. A method of fabrication is provided where the sintering temperature is preferably between 1375°-1550° C.
NARROW PORE SIZE DISTRIBUTION ALUMINUM TITANATE BODY
This invention relates to an aluminum titanate body having a narrow pore size distribution as characterized by the relation (d50-d10)/d50 being less than 0.50 corresponding to a high degree of interconnected porosity. The body also preferably exhibits a low coefficient of thermal expansion of less than 15x10-7 C-1, high porosity of at least 38% by volume, and at least 0.10% by weight metal oxide, the metal being either yttrium, calcium, bismuth, a lanthanide metal or combinations of thereof. MOR is preferably at least 450 psi. Median pore diameter is preferably at least 8 microns. The inventive ceramic body is particularly useful as a wall-flow filter for a diesel exhaust. A method of fabrication is provided where the sintering temperature is preferably between 1375°-1550° C.
NARROW PORE SIZE DISTRIBUTION ALUMINUM TITANATE BODY
ALUMINIUMTITANATKÖRPER MIT ENGER PORENGRÖSSENVERTEILUNG
CORPS EN TITANATE D'ALUMINIUM AVEC UNE DISTRIBUTION ETROITE DE LA TAILLE DES PORES
MERKEL GREGORY A (author)
2018-03-07
Patent
Electronic Resource
English
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