High-strength, high-toughness matrix bit bodies

Details High-strength, high-toughness matrix bit bodies High-strength, high-toughness matrix bit bodies

E - Fixed Constructions

21

B

E21B 10/46 (2006.01) B22D 19/14 (2006.01) B22F 3/10 (2006.01) C22C 1/05 (2006.01) C22C 29/08 (2006.01) C22C 32/00 (2006.01)

Patent

CA 2442198

A new composition for forming a matrix body which includes spherical sintered tungsten carbide and an infiltration binder including one or more metals or alloys is disclosed. In some embodiments, the composition may include a Group VIIIB metal selected from one of Ni, Co, Fe, and alloys thereof. Moreover, the composition may also include cast tungsten carbide. In addition, the composition may also include carburized tungsten carbide.

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