▎ 摘　　要

NOVELTY - Internal-combustion engine cylinder body alloy material comprises 6-7 wt.% silicon, 6-7 wt.% graphene, 3.4-3.6 wt.% boron-modified phenolic resin, 2.1-2.3 wt.% nickel, 1.7-1.9 wt.% magnesium, 1.4-1.6 wt.% chromium, 1.2-1.4 wt.% manganese, 0.7-0.9 wt.% niobium, 0.7-0.9 wt.% rhenium, 0.5-0.7 wt.% scandium, and balance iron and unavoidable impurities. USE - Internal-combustion engine cylinder body alloy material. ADVANTAGE - The material is wear-resistant, and has long useful life. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for the preparation of internal-combustion engine cylinder body alloy material comprising melting iron at 1400-1600 degrees C for 40-50 minutes, adding nickel, magnesium, chromium, manganese, niobium, rhenium and scandium, mixing at 1200-1400 degrees C for 30-40 minutes, cooling to 900-1000 degrees C for 50-60 minutes, cooling to room temperature, adding silicon and graphene, melting at 800-900 degrees C for 20-30 minutes, adding boron-modified phenolic resin, mixing for 3-4 hours, molding, casting, cooling, heating at 400-500 degrees C for 20-30 minutes, and quenching with sodium bicarbonate solution.