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HIGH DIAMOND FRAME STRENGTH PCD MATERIALS

  • US 20120261196A1
  • Filed: 04/18/2012
  • Published: 10/18/2012
  • Est. Priority Date: 04/18/2011
  • Status: Active Grant
First Claim
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1. A cutting element comprising:

  • a polycrystalline diamond body comprising;

    an interface surface;

    a top surface opposite the interface surface;

    a cutting edge meeting the top surface; and

    a material microstructure comprising a plurality of bonded-together diamond crystals and interstitial regions between the diamond crystals, the microstructure having a first region that includes at least a portion of the cutting edge, andwherein the first region comprises a diamond frame strength of about 1200 MPa or greater.

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