POROUS LAYERED CERAMIC AND METHOD FOR MANUFACTURING SAME

An object of the present invention is to provide a porous ceramic laminate that can reduce pressure loss of a fluid. The present invention is a porous ceramic laminate comprising a first porous layer and a second porous layer, whereinthe second porous layer is laminated on, in contact with or via ai...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	NASU, Tomomichi, UOE, Kousuke, NAKAYAMA, Atsushi
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE LIME, MAGNESIA METALLURGY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL REFRACTORIES SEPARATION SLAG TRANSPORTING TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	An object of the present invention is to provide a porous ceramic laminate that can reduce pressure loss of a fluid. The present invention is a porous ceramic laminate comprising a first porous layer and a second porous layer, whereinthe second porous layer is laminated on, in contact with or via air, the first porous layer,a part of the second porous layer is laminated on, in contact with, the first porous layer,each of the first porous layer and the second porous layer contains a metal oxide,a ratio Da/Db of an average pore diameter Da of the first porous layer relative to an average pore diameter Db of the second porous layer is 10 or more,a proportion of a portion in which a distance between the first porous layer and the second porous layer is smaller than 1 µm is 70% or less.