Abrasive wear-resistant hardfacing materials, drill bits and...

Details Abrasive wear-resistant hardfacing materials, drill bits and... Abrasive wear-resistant hardfacing materials, drill bits and...

2011-08-16

2011-08-16

Neuder, William P (Department: 3672)

Boring or penetrating the earth

Bit or bit element

Specific or diverse material

C175S420100

Reexamination Certificate

active

07997359

ABSTRACT:
An abrasive wear-resistant material includes a matrix material and a plurality of −40/+80 ASTM mesh dense sintered carbide pellets. A rotary drill bit having an exterior surface and an abrasive wear-resistant material disposed on at least a portion of the exterior surface of the bit body is provided. Methods for applying an abrasive wear-resistant material to a surface of a drill bit are also disclosed.

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