Composite polycrystalline diamond compact with improved impact r

Details Composite polycrystalline diamond compact with improved impact r Composite polycrystalline diamond compact with improved impact r

1989-08-07

1991-04-30

Meislin, D. S.

Abrasive tool making process, material, or composition

With inorganic material

51309, 407118, 407119, E21B 1046

Patent

active

050115154

ABSTRACT:
A compact blank for use in operations that require very high impact strength and abrasion resistance is disclosed. The compact comprises a substrate formed of tungsten carbide or other hard material with a diamond or cubic boron nitride layer bonded to the substrate. The interface between the layers is defined by topography with irregularities having non-planar side walls such that the concentration of substrate material continuously and gradually decreases at deeper penetrations into the diamond layer.

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patent: 4592433 (1986-06-01), Dennis
patent: 4604106 (1986-08-01), Hall et al.
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patent: 4629373 (1986-12-01), Hall
patent: 4716975 (1988-01-01), Dennis
patent: 4784023 (1988-11-01), Dennis

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