Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
CERAMIC HONEYCOMB STRUCTURE AND METHOD FOR PRODUCING SAME
A ceramic honeycomb structure having pluralities of flow paths partitioned by porous cell walls; (a) the cell walls having porosity of 50-60%; and (b) in a pore diameter distribution in the cell walls measured by mercury porosimetry, (i) a pore diameter d5 at a cumulative pore volume corresponding to 5% of the total pore volume being 22 µm or more and less than 55 µm, a pore diameter d10 at 10% being 15-35 µm, a pore diameter d50 at 50% being 10-20 µm, a pore diameter at 85% being 5-9 µm, a pore diameter d90 at 90% being 3-8 µm, a pore diameter d98 at 98% being 2.5 µm or less, (d10 - d90)/d50 being 1.3-1.8, (d50 - d90)/d50 being 0.45-0.75, and (d10 - d50)/d50 being 0.75-1.1; and (ii) the difference between a logarithm of the pore diameter at a cumulative pore volume corresponding to 20% of the total pore volume and a logarithm of the pore diameter at 80% being 0.39 or less, and its production method.
CERAMIC HONEYCOMB STRUCTURE AND METHOD FOR PRODUCING SAME
A ceramic honeycomb structure having pluralities of flow paths partitioned by porous cell walls; (a) the cell walls having porosity of 50-60%; and (b) in a pore diameter distribution in the cell walls measured by mercury porosimetry, (i) a pore diameter d5 at a cumulative pore volume corresponding to 5% of the total pore volume being 22 µm or more and less than 55 µm, a pore diameter d10 at 10% being 15-35 µm, a pore diameter d50 at 50% being 10-20 µm, a pore diameter at 85% being 5-9 µm, a pore diameter d90 at 90% being 3-8 µm, a pore diameter d98 at 98% being 2.5 µm or less, (d10 - d90)/d50 being 1.3-1.8, (d50 - d90)/d50 being 0.45-0.75, and (d10 - d50)/d50 being 0.75-1.1; and (ii) the difference between a logarithm of the pore diameter at a cumulative pore volume corresponding to 20% of the total pore volume and a logarithm of the pore diameter at 80% being 0.39 or less, and its production method.
CERAMIC HONEYCOMB STRUCTURE AND METHOD FOR PRODUCING SAME
KERAMIKWABENSTRUKTUR UND VERFAHREN ZUR HERSTELLUNG DAVON
STRUCTURE CÉRAMIQUE EN NID D'ABEILLE ET SON PROCÉDÉ DE FABRICATION
OKAZAKI SHUNJI (Autor:in)
12.01.2022
Patent
Elektronische Ressource
Englisch
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