Patent ID: 9611412
Date: 2017-04-04
CPC Classifications: B22F,C04B,C09K,C23C,Y10T

Claim:
1. A body comprising diamond as individual grains or as a bonded mass of individual grains, wherein each of said grains comprises a micro-porous layer directly adhered to the grains where the micro-porous layer comprises a refractory precursor material comprising an oxide of at least one metal selected from the group consisting of Ti, V, Cr, Zr, Nb, Mo, Hf, Ta, and W; the refractory precursor material being reducible in the presence of carbon on the application of heat to form at least one compound comprising metal carbide or mixed metal carbide; and a solvent/catalyst precursor material contained on a surface of and inside pores of the micro-porous layer, said solvent/catalyst comprising a compound including oxygen and at least one metal selected from the group consisting of Fe, Co, Ni and Mn, the solvent/catalyst material being capable of reducing in the presence of carbon on the application of heat to form a metallic material.