SINTER REACTIVE LANTHANUM CHROMITE AND PROCESS FOR MAKING IT
A sinter-reactive lanthanum chromite powder is prepared from the lanthanum chromite precursor LaCr1-xMxO3 (Adsorbate). The powder is crystalline, has the formula LaCr1-xMxO3, where M is magnesium or calcium and x ranges from about 0.03 to 0.3, and sinters to densities higher than about 95 % of theor...
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Format | Patent |
Language | English |
Published |
31.10.1991
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Abstract | A sinter-reactive lanthanum chromite powder is prepared from the lanthanum chromite precursor LaCr1-xMxO3 (Adsorbate). The powder is crystalline, has the formula LaCr1-xMxO3, where M is magnesium or calcium and x ranges from about 0.03 to 0.3, and sinters to densities higher than about 95 % of theoretical density at temperature as low as 1600 DEG C in inert or reducing atmospheres. Sintering to such high density at temperatures in the vicinity of 1600 DEG C makes the powder particularly suited for use as interconnect material for solid oxide fuel cells.
Une poudre de chromite de lanthane réactive au frittage est préparée à partir du précurseur de chromite de lanthane LaCr1-xMxO3 (Adsorbat). La poudre est cristalline, est représentée par la formule LaCr1-xMxO3, où M représente le magnésium et le calcium et x va d'environ 0,03 à 0,3, et s'agglomère par frittage jusqu'à des densités plus élevées qu'environ 95% de la densité théorique à une température aussi basse que 1.600 °C dans des atmosphères inertes ou réductrices. L'agglomération par frittage jusqu'à une densité si élevée à des températures avoisinant 1.600 °C rend cette poudre particulièrement adaptée à l'utilisation comme matériau intercalaire pour des piles à combustible à oxyde solide. |
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AbstractList | A sinter-reactive lanthanum chromite powder is prepared from the lanthanum chromite precursor LaCr1-xMxO3 (Adsorbate). The powder is crystalline, has the formula LaCr1-xMxO3, where M is magnesium or calcium and x ranges from about 0.03 to 0.3, and sinters to densities higher than about 95 % of theoretical density at temperature as low as 1600 DEG C in inert or reducing atmospheres. Sintering to such high density at temperatures in the vicinity of 1600 DEG C makes the powder particularly suited for use as interconnect material for solid oxide fuel cells.
Une poudre de chromite de lanthane réactive au frittage est préparée à partir du précurseur de chromite de lanthane LaCr1-xMxO3 (Adsorbat). La poudre est cristalline, est représentée par la formule LaCr1-xMxO3, où M représente le magnésium et le calcium et x va d'environ 0,03 à 0,3, et s'agglomère par frittage jusqu'à des densités plus élevées qu'environ 95% de la densité théorique à une température aussi basse que 1.600 °C dans des atmosphères inertes ou réductrices. L'agglomération par frittage jusqu'à une densité si élevée à des températures avoisinant 1.600 °C rend cette poudre particulièrement adaptée à l'utilisation comme matériau intercalaire pour des piles à combustible à oxyde solide. |
Author | LI, BEILI HAIG, STEPHEN YAMANIS, JEAN |
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Snippet | A sinter-reactive lanthanum chromite powder is prepared from the lanthanum chromite precursor LaCr1-xMxO3 (Adsorbate). The powder is crystalline, has the... |
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SubjectTerms | ARTIFICIAL STONE BASIC ELECTRIC ELEMENTS CEMENTS CERAMICS CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSESC01D OR C01F CONCRETE ELECTRICITY GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OFSOLID INORGANIC COMPOUNDS INORGANIC CHEMISTRY LIME, MAGNESIA METALLURGY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY REFRACTORIES SLAG TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TREATMENT OF NATURAL STONE |
Title | SINTER REACTIVE LANTHANUM CHROMITE AND PROCESS FOR MAKING IT |
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