▎ 摘　　要

NOVELTY - A composite alloy material comprises 5.0-9.0 wt.% silicon, 2.8-4.6 wt.% copper, 1.5-2.3 wt.% cobalt, 0.4-0.6 wt.% tungsten, 0.5-0.9 wt.% chromium, 0.04-0.07 wt.% titanium carbide, 0.02-0.07 wt.% boron, 0.001-0.004 wt.% nickel, 0.001-0.003 wt.% alum, 0.001-0.003 wt.% graphene and balance amount of aluminum. USE - Composite alloy material for fermenter. ADVANTAGE - The composite alloy material has high strength, light weight, enhanced wear resistance, improved plasticity and excellent radiating performance. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for preparation method of composite alloy material for fermenter.