BETON FRITTE A BASE DE ZIRCON

A sintered concrete having the following mean chemical composition, as mass percentages on the basis of the oxides and for a total of 100%; ZrO2: 55 to 70%, SiO2: 25 to 40%, P2O5: 0.2 to 9.0%, Al2O3: 0.5 to 7.0%, CaO: >0.2%, CaO+MgO+B2O3+Fe2O3: 0.2 to 10.0%, MgO+B2O3+Fe2O3; ≤7.5%, B2O3+MgO: ≤4.5%...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	BOBO, MICHEL, CHAMPION, THIBAULT
Format:	Patent
Sprache:	fre
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:	A sintered concrete having the following mean chemical composition, as mass percentages on the basis of the oxides and for a total of 100%; ZrO2: 55 to 70%, SiO2: 25 to 40%, P2O5: 0.2 to 9.0%, Al2O3: 0.5 to 7.0%, CaO: >0.2%, CaO+MgO+B2O3+Fe2O3: 0.2 to 10.0%, MgO+B2O3+Fe2O3; ≤7.5%, B2O3+MgO: ≤4.5%, ZrO2+SiO2+P2O5+Al2O3+CaO+MgO+B2O3+Fe2O3: ≥95.0%, and containing more than 70% of zircon, as a mass percentage on the basis of the mass of the crystalline phases.