| abstract |
A sintered compact for use in making a cutting tool, the sintered compact including about 10 vol. % to about 90 vol.% cubic boron nitride, and a binder phase including about 0.1 vol. % to about 10 vol.% graphene. A method for a sintered compact including mixing a powder blend having about 10 vol. % to about 90 vol. % cubic boron nitride and about 0.1 vol. % to about 10 vol. % graphene, pressing the powder blend into a pill, and sintering the pill at high pressure and high temperature. A sintered cutting tool including about 10 vol. % to about 90 vol.% cubic boron nitride, and a binder phase including about 0.1 vol. % to about 10 vol.% graphene, wherein the sintering is performed at a pressure of about 45 kBar and a temperature of about 1500 C for about 30 minutes. |