Method for making polycrystalline sandwich compacts

摘要: Disclosed is a method for manufacturing polycrystalline sandwich compact comprising diamond or CBN core interposed between outer support layers. The comprises providing an assembly mass of particles, pair compression disks, and two metal layers, one each which said disk. When source sintering aid/catalyst also provided in the optionally particles assembly. then subjected to HP/HT forming sintered having metal-derived layers adherently bound thereto.