Polycrystalline diamond compacts with interstitial diamond grains and methods of making the compacts

摘要

Methods for forming polycrystalline diamond compacts with interlaced diamonds and polycrystalline diamond compacts that cut quench cycle intercalated diamonds are described herein. In one embodiment, the polycrystalline diamond compact comprises a substrate and a polycrystalline diamond body attached to the substrate. The polycrystalline diamond body comprises a plurality of mutually bonded diamond grains adhered to each other with interconnected nets of interstitial pockets between diamond grains and interbonded diamond grains and a plurality of interstitial diamond grains positioned in the interstitial pockets Crystal grains. Each of the plurality of interstitial diamond grains is attached to a single diamond grain of interconnected nets of diamond grains or other interstitial diamond grains.