CERAMIC COMPOSITE MATERIAL

PROBLEM TO BE SOLVED: To obtain a ceramic composite material having a capacity of selectively transporting oxygen in air or an oxygen-containing mixed gas. SOLUTION: This ceramic composite material is obtained by forming a covering layer and a sealed hole part consisting of a compact porous material...

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Bibliographic Details
Main Authors NAGAI TORU, ITO WATARU, DONOMAE HITOSHI, YAMADA NORIKO, SAKON TADASHI
Format Patent
LanguageEnglish
Published 10.04.2001
Edition7
Subjects
ARTIFICIAL STONE
BASIC ELECTRIC ELEMENTS
CABLES
CEMENTS
CERAMICS
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F
COMPOUNDS THEREOF
CONCRETE
CONDUCTORS
ELECTRICITY
INORGANIC CHEMISTRY
INSULATORS
LIME, MAGNESIA
METALLURGY
NON-METALLIC ELEMENTS
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
REFRACTORIES
SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING ORDIELECTRIC PROPERTIES
SEPARATION
SLAG
THEIR RELEVANT APPARATUS
TRANSPORTING
TREATMENT OF NATURAL STONE
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Summary:PROBLEM TO BE SOLVED: To obtain a ceramic composite material having a capacity of selectively transporting oxygen in air or an oxygen-containing mixed gas. SOLUTION: This ceramic composite material is obtained by forming a covering layer and a sealed hole part consisting of a compact porous material mixed conductive oxide in which molar ratio of each of the component elements is expressed by the following formula and contains strontium, iron and cobalt as main components on one surface of an oxide porous material consisting mainly of magnesium, also forming a porous material surface layer containing magnesia and a catalyst, magnesia and a mixed conductive oxide, or magnesia, the mixed conductive oxide and the catalyst on the surface layer of the above oxide porous material, further forming the above covering layer and the sealed hole part on its surface, or further imparting a catalyst on the surface of the above covering layer and the sealed hole part or imparting and closely adhering the porous material surface layer or the porous material mixed conductive oxide imparted with the catalyst optionally. Sr:Fe:Co=4:x:y (where; 3.5<=x<=5.0, 1.0<=y<=2.5).
Bibliography:Application Number: JP19990281544