FLUXED LANTHANUM CHROMITE FOR LOW TEMPERATURE AIR FIRING

A lanthanum chromite ceramic powder consisting essentially of 1 mol of LaCr1-xMxO3, where M is a divalent metal selected from the group of zinc, copper and mixtures thereof and x ranges from about 0.02 to 0.2, y mols of B2O3, where y ranges from 0.0005 to 0.04, and z mols of La2O3, where the ratio z...

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Bibliographic Details
Main Authors WU, BEILI, LI, YAMANIS, JEAN, HAIG, STEPHEN
Format Patent
LanguageEnglish
French
German
Published 25.06.1997
Edition6
Subjects
ARTIFICIAL STONE
BASIC ELECTRIC ELEMENTS
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F
CONCRETE
ELECTRICITY
INORGANIC CHEMISTRY
LIME, MAGNESIA
METALLURGY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
REFRACTORIES
SLAG
TREATMENT OF NATURAL STONE
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Summary:A lanthanum chromite ceramic powder consisting essentially of 1 mol of LaCr1-xMxO3, where M is a divalent metal selected from the group of zinc, copper and mixtures thereof and x ranges from about 0.02 to 0.2, y mols of B2O3, where y ranges from 0.0005 to 0.04, and z mols of La2O3, where the ratio z/y ranges from 1 to 3, the powder is sintered to high density by firing a compact thereof at a temperature of about 1400 degrees C. in air or other atmosphere, and is particularly suited for use as interconnect material for solid oxide fuel cells.
Bibliography:Application Number: EP19940901588