▎ 摘　　要

NOVELTY - A copper-based composite material comprises 1-5% graphene, 0.5-2% chromium, 20-30% iron, 2-6% magnesium, 1.5-4% tantalum nitride, 2.5-5.5% magnesium diboride, 3-7% ruthenium-boron crystal, 1-9% silicon-boron crystal, and balance copper. USE - Copper-based composite material. ADVANTAGE - The material has high wear resistance, and high stability. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation of copper-based composite material comprising mixing all component materials into the reactor, stirring for 20-30 minutes, putting the composite powder into the steel mold to powder press, and subjecting to vacuum hot sintering process for 1-2 hours.