Abrasion resistant iron-nickel bonded tungsten carbide

Details Abrasion resistant iron-nickel bonded tungsten carbide Abrasion resistant iron-nickel bonded tungsten carbide

B - Operations, Transporting

22

F

18/1120, 75/166

B22F 3/16 (2006.01) C22C 1/05 (2006.01) C22C 29/06 (2006.01)

Patent

CA 1090523

ABRASION RESISTANT IRON-NICKEL BONDED TUNGSTEN CARBIDE ABSTRACT OF THE DISCLOSURE Disclosed is a method of making tungsten carbide materials and the resulting product useful for cutting tools and other applications where a high persistance to abrasive wear is required. WC powder is blended with 0.1 to 1.5 wt% VC and a binder powder, in an amount (3 to 30 wt%) of the blend, the binder consisting essentially of 7.0 to 15 wt% Ni, and the remainder iron. The carbon content is adjusted to insure substantial absence of eta phase and deleterious amounts of graphite upon sinter- ing. The blend is screened, pressed into compacts and sintered at a temperature of 1400°C for a period of time of one hour.

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