Patent ID: 8158258
Filing Date: 2012-04-17
Classification: B21C,B24D,C04B,C22C,E21B,F16C,G01N,Y10T

Abstract:
1. Polycrystalline diamond, comprising: a plurality of diamond grains defining a plurality of interstitial regions; a metal-solvent catalyst occupying a substantial number of the plurality of interstitial regions, the metal-solvent catalyst present in an amount of about 1 weight % to about 6 weight %; wherein the plurality of diamond grains and the metal-solvent catalyst collectively exhibit a coercivity of about 115 Oersteds (“Oe”) or more; wherein the plurality of diamond grains and the metal-solvent catalyst collectively exhibit a specific magnetic saturation of about 15 Gauss·cm wherein the plurality of diamond grains and the metal-solvent catalyst of the at collectively exhibit a specific permeability of about 0.060 G·cm wherein the polycrystalline diamond exhibits a G