Particle-matrix composite drill bits with hardfacing

Details Particle-matrix composite drill bits with hardfacing Particle-matrix composite drill bits with hardfacing

2011-08-23

2011-08-23

Neuder, William P (Department: 3672)

Boring or penetrating the earth

Bit or bit element

Rolling cutter bit or rolling cutter bit element

C175S375000

Reexamination Certificate

active

08002052

ABSTRACT:
A rotary drill bit includes a bit body substantially formed of a particle-matrix composite material having an exterior surface and an abrasive wear-resistant material disposed on at least a portion of the exterior surface of the bit body. Methods for applying an abrasive wear-resistant material to a surface of a drill bit are also provided.

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