Impregnated diamond cutting structures

Details Impregnated diamond cutting structures Impregnated diamond cutting structures

E - Fixed Constructions

21

B

E21B 10/46 (2006.01) B21K 5/02 (2006.01) B23P 15/28 (2006.01)

Patent

CA 2519495

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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