▎ 摘　　要

NOVELTY - The manufacturing process of the high-performance diamond composite sheet involves: completely and uniformly mixing diamond micro powder and a binder; assembling a hard alloy substrate, uniformly mixed diamond micro powder and binder; and sintering the mixture at high temperature and pressure to synthesize a high-performance novel binder-composite sheet. The binder is a metal material containing carbon. The maximum value of the carbon content is a saturation value of the binder in a molten state. The metal in the binder is cobalt, nickel and/or iron. The carbon in the binder is graphite, graphene or amorphous carbon. The hard alloy substrate is tungsten carbide hard alloy with 8-20 wt.% of cobalt metal. USE - Method for manufacturing high performance diamond composite sheet. ADVANTAGE - The carbon-containing metal melt binder is used for synthesizing the diamond composite sheet. Carbon in the binder can be directly separated out and converted into diamond in the synthesis process. The dissolving and re-separating process of diamond micro powder is reduced, and the filling of the separated diamond in the gaps of the diamond micro powder is further increased. More covalent bonds are formed among the diamond micro powder, and the shock resistance and wear resistance of the diamond composite sheet are improved. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for the diamond composite sheet.