CERAMIC HONEYCOMB STRUCTURE AND PROCESS FOR PRODUCING CERAMIC HONEYCOMB STRUCTURE

A ceramic honeycomb structure having porous cell walls defining large numbers of flow paths, the cell walls having porosity of 55-70%, an average pore diameter of 10-40 µm, a concave area ratio CR (projected area ratio of portions lower than an average surface determined from cell wall surface rough...

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Bibliographic Details
Main Authors OHTSUBO, YASUHIKO, SUWABE, HIROHISA
Format Patent
LanguageEnglish
French
German
Published 19.03.2014
Subjects
ARTIFICIAL STONE
BLASTING
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
ENGINE PLANTS IN GENERAL
GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNALCOMBUSTION ENGINES
GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES ORENGINES IN GENERAL
HEATING
LIGHTING
LIME, MAGNESIA
MACHINES OR ENGINES IN GENERAL
MECHANICAL ENGINEERING
METALLURGY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
REFRACTORIES
SEPARATION
SLAG
STEAM ENGINES
TRANSPORTING
TREATMENT OF NATURAL STONE
WEAPONS
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Summary:A ceramic honeycomb structure having porous cell walls defining large numbers of flow paths, the cell walls having porosity of 55-70%, an average pore diameter of 10-40 µm, a concave area ratio CR (projected area ratio of portions lower than an average surface determined from cell wall surface roughness by a least square method) of 0.32-0.6, and an average concave depth H concave (average depth of portions lower than the average surface) of 0.02-0.1 mm.
Bibliography:Application Number: EP20070828620