SINTERED ALUMINA PRODUCT

Sintered product having: - the following chemical analysis, by weight percentage on an oxide basis: Al2O3: the remainder to 100%, where 0.26% ≤ Na20 ≤ 4%, 0% ≤ oxides other than Al2O3 and Na2O ≤ 6%, provided that SiO2 ≤ 2%, - the following crystallised phases, as percentages by weight, based on the...

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Bibliographische Detailangaben
Hauptverfasser:	BOBO, Michel, CHAMPION, Thibault
Format:	Patent
Sprache:	eng ; 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:	Sintered product having: - the following chemical analysis, by weight percentage on an oxide basis: Al2O3: the remainder to 100%, where 0.26% ≤ Na20 ≤ 4%, 0% ≤ oxides other than Al2O3 and Na2O ≤ 6%, provided that SiO2 ≤ 2%, - the following crystallised phases, as percentages by weight, based on the total amount of crystallised phases: 5% ≤ beta alumina ≤ 37%, less than 6% of crystallised phases other than beta alumina and alpha alumina, the remainder to 100%: alpha alumina. Produit fritté présentant : - l'analyse chimique suivante, en pourcentage en masse sur la base des oxydes : Al2O3 : complément à 100%, 0,26% ≤ Na20 ≤ 4%, 0 % ≤ oxydes autres que Al2O3 et Na2O ≤ 6%, pourvu que SiO2 ≤ 2%, - les phases cristallisées suivantes, en pourcentages en masse sur la base de la quantité totale de phases cristallisées : 5% ≤ alumine béta ≤ 37%, moins de 6% de phases cristallisées autres que l'alumine béta et l'alumine alpha, complément à 100% : alumine alpha.