▎ 摘 要
NOVELTY - A composite material comprises 0.1-5 wt.% carbon nanotube surface modified with gallic acid, 0.1-5 wt.% graphene surface modified with rutin solution, 2-10 wt.% graphite powder, 1-4 wt.% chromium powder, 1-8 wt.% lead powder, 2-10 wt.% tin powder, 0.1-1 wt.% zirconium powder, 0.01-0.5 wt.% lanthanum powder and remaining surface modified copper powder. USE - Composite material. ADVANTAGE - The composite material has low impurity content, improved strength, rigidity, current-carrying friction wear resistance, and is manufactured by a simple and easy method. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of the composite material.