Self sharpening polycrystalline diamond compact with high...

Details Self sharpening polycrystalline diamond compact with high... Self sharpening polycrystalline diamond compact with high...

2006-07-04

2006-07-04

Turner, Archene (Department: 1775)

Abrasive tool making process, material, or composition

With inorganic material

Metal or metal oxide

C051S293000, C051S295000, C051S297000, C051S307000, C075S243000

Reexamination Certificate

active

07070635

ABSTRACT:
A polycrystalline diamond compact for use in cutting operations with a renewable sharp cutting edge, high abrasion resistance and high impact strength. The polycrystalline diamond is a composite composed of a matrix of coarse diamond interspersed with large agglomerated particles of ultra fine diamond. The agglomerated particles produce sharp cutting edges that are protected from impact forces by the overall uniform matrix of coarse diamond crystals. The self-sharpening cutter is highly resistant to spalling and catastrophic fracture.

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