Method of forming impregnated diamond cutting structures

Details Method of forming impregnated diamond cutting structures Method of forming impregnated diamond cutting structures

2008-01-28

2010-12-07

Hong, John C (Department: 3726)

Metal working

Method of mechanical manufacture

Assembling or joining

C264S332000

Reexamination Certificate

active

07845059

ABSTRACT:
An insert for a drill bit that includes diamond particles disposed in a matrix material, wherein the diamond particles have a contiguity of 15% or less is disclosed. A method of forming a diamond-impregnated cutting structure, that includes loading a plurality of substantially uniformly coated diamond particles into a mold cavity, pre-compacting the substantially uniformly coated diamond particles using a cold-press cycle, and heating the compacted, substantially uniformly coated diamond particles with a matrix material to form the diamond impregnated cutting structure is also disclosed.

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