▎ 摘　　要

NOVELTY - A metal ceramic material comprises 67.42 %mass diamond, 15 %mass silicon carbide, 10 %mass titanium nitride, 0.5 %mass amorphous silica, 0.2 %mass cobalt oxide, 6 %mass boron carbide, 0.3 %mass tungsten carbide, 0.08 %mass graphene, 0.3 %mass nano-iron powder and 0.2 %mass niobium carbide. USE - Metal ceramic material for shearer of coal mining machine. ADVANTAGE - The metal ceramic material has excellent hardness, toughness, wear resistance and impact resistance, protects the cutting head, reduces the wear rate of tooth main portion and alloy head, and achieves optimal coordination performance.