Patent ID: 6541115
Filing Date: 2003-04-01
Classification: B22F,C04B,C22C,Y10T

Abstract:
A metal-infiltrated polycrystalline diamond composite tool, said metal-infiltrated: polycrystalline diamond tool comprising:a) a plurality of diamond grains, wherein said plurality of diamond grains are bonded to each other to form a continuous polycrystalline diamond matrix; b) a metallic phase, said metallic phase comprising at least one metal selected from the group consisting of silver, copper, gold, platinum, and combinations thereof and being substantially palladium-free and contiguous to said continuous polycrystalline diamond matrix, wherein said metallic phase interpenetrates the continuous polycrystalline diamond matrix and substantially wets an outer surface of said continuous polycrystalline diamond matrix; and c) a working surface.