MOLTEN AND CAST REFRACTORY BLOCK HAVING A HIGH ZIRCONIA CONTENT

The invention relates to a molten and cast refractory block having a average zirconia content (ZrO2+ Hf2O) of more than 85 % in mass percent based on oxides, and in which the standard deviation s of the local zirconia content divided by the volume of the block is lower than 7.5. La présente inventio...

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Bibliographic Details
Main Authors SCHIAVO, EDOUARD, BOUSSANT-ROUX, YVES, ZANOLI, ALAIN
Format Patent
LanguageEnglish
French
Published 26.03.2009
Subjects
ARTIFICIAL STONE
CEMENTS
CERAMICS
CHEMISTRY
COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS
CONCRETE
LIME, MAGNESIA
METALLURGY
REFRACTORIES
SLAG
TREATMENT OF NATURAL STONE
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Summary:The invention relates to a molten and cast refractory block having a average zirconia content (ZrO2+ Hf2O) of more than 85 % in mass percent based on oxides, and in which the standard deviation s of the local zirconia content divided by the volume of the block is lower than 7.5. La présente invention concerne un bloc réfractaire fondu et coulé comportant une teneur moyenne en zircone (ZrO2+ Hf2O) de plus de 85%, en pourcentage massique sur la base des oxydes, et dont l'écart type s de la teneur locale en zircone divisé par le volume du bloc est inférieur à 7,5.
Bibliography:Application Number: WO2008FR50304