DOPED SINTERED PRODUCT BASED ON ZIRCON AND ZIRCONIA

The invention relates to a sintered product made from a starting charge containing 5 to 50% zircon and having the following chemical composition, in percentages by weight on the basis of the oxides and for a total of more than 100%: silica and zirconia, the concentration of zirconia (ZrO2) being equ...

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Bibliographische Detailangaben
Hauptverfasser:	MC GARRY CHARLES NICHOLAS, FOURCADE JULIEN, GAUBIL MICHEL, CITTI OLIVIER, SEABORNE MICHAEL J
Format:	Patent
Sprache:	eng
Schlagworte:	ARTIFICIAL STONE CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE GLASS LIME, MAGNESIA MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES METALLURGY MINERAL OR SLAG WOOL REFRACTORIES SLAG TREATMENT OF NATURAL STONE
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Beschreibung
Zusammenfassung:	The invention relates to a sintered product made from a starting charge containing 5 to 50% zircon and having the following chemical composition, in percentages by weight on the basis of the oxides and for a total of more than 100%: silica and zirconia, the concentration of zirconia (ZrO2) being equal to at least 64%; at least 0.2% of a dopant selected from among V2O5, Nb2O5, Ta2O5 and mixtures thereof; optionally a stabiliser selected from among Y2O3, MgO, CaO, CeO2 and mixtures thereof, at a concentration less than or equal to 6%; and ''other oxides'' at a concentration less than or equal to 6.7%.