Ceramic honeycomb structure and method for producing ceramic honeycomb structure

Ceramic honeycomb structure and method 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...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SUWABE HIROHISA, OHTSUBO YASUHIKO
Format: Patent
Sprache:eng
Schlagworte:
ARTIFICIAL STONE
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
LAYERED PRODUCTS
LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT ORNON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
LIME, MAGNESIA
METALLURGY
PERFORMING OPERATIONS
REFRACTORIES
SLAG
TRANSPORTING
TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung: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 Hconcave (average depth of portions lower than the average surface) of 0.02-0.1 mm.