SINTERED BALLS MADE OF TUNGSTEN CARBIDE

Use, as a milling agent for milling a suspension, wet dispersing agent or for surface treatment, of a powder comprising more than 90% by mass of sintered balls, each sintered ball having: a chemical composition such that, in percentages by mass based on the mass of the ball: 89%≤W≤97%; 5%≤C≤8%; Co≤0...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ROSSIQUET, Gilles, BOUSSANT-ROUX, Yves Marcel Léon, NONNET, Emmanuel, BOUTTES, David, BOTTIGLIERI, Stephen
Format:	Patent
Sprache:	eng
Schlagworte:	ALLOYS ARTIFICIAL STONE CASTING CEMENTS CERAMICS CHEMISTRY COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS CONCRETE FERROUS OR NON-FERROUS ALLOYS LIME, MAGNESIA MAKING METALLIC POWDER MANUFACTURE OF ARTICLES FROM METALLIC POWDER METALLURGY PERFORMING OPERATIONS POWDER METALLURGY REFRACTORIES SLAG TRANSPORTING TREATMENT OF ALLOYS OR NON-FERROUS METALS TREATMENT OF NATURAL STONE WORKING METALLIC POWDER
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Beschreibung
Zusammenfassung:	Use, as a milling agent for milling a suspension, wet dispersing agent or for surface treatment, of a powder comprising more than 90% by mass of sintered balls, each sintered ball having: a chemical composition such that, in percentages by mass based on the mass of the ball: 89%≤W≤97%; 5%≤C≤8%; Co≤0.5%; Ni≤0.5%; Elements other than W, C, Co, and Ni, or "Other elements": ≤3%; a tungsten carbide(s) content greater than 55% in percentage by mass based on the crystallized phases; a bulk density greater than or equal to 14 g/cm3.