High speed cutting tool

Details High speed cutting tool High speed cutting tool

B - Operations, Transporting

24

D

B24D 3/06 (2006.01) B22F 7/06 (2006.01) C22C 32/00 (2006.01)

Patent

CA 2210295

The tool comprises at least one cutting edge formed by a compacted mixture of carbide containing alloy steel and an oxide containing ceramic material, preferably zirconium oxide in an amount 0.01-15 wt.% of the mixture, preferably in the region of 1 to 6 wt.%, advantageously in the region of 3 wt.%. The mixture may additionally comprise particles of a hard or abrasive material, such as silicon carbide or aluminium carbide or a boride/carbide such as aluminium titanium diboride-titanium carbide.

La présente invention concerne un outil comportant au moins une arête de coupe constituée d'un mélange compacté contenant de l'acier d'alliage contenant du carbure et d'un oxyde contenant une matière céramique, de préférence de l'oxyde de zirconium dont la quantité représente 0,01 à 15 % en poids du mélange, de préférence aux environs de 1 à 6 % en poids, et si idéalement aux environs de 3 % en poids. Ce mélange peut comporter en outre des particules de matériau dur ou abrasif, tel que du carbure de silicium ou du carbure d'aluminium ou un borure/carbure comme le diborure d'aluminium titane-carbure de titane.

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