▎ 摘　　要

NOVELTY - Preparing graphene-based superhydrophobic B30 copper-nickel alloy involves polishing B30 copper-nickel alloy with 60 mesh, 120 mesh, 320 mesh, 600-1200 mesh sandpaper to remove impurities and oxides on the surface, using absolute ethanol, ultrasonic cleaning with acetone for 10 minutes to remove organic matter, drying with nitrogen for use. The electrolyte comprises 10-20 wt.% graphene oxide, 20-30 wt.% linolenic acid, 5-10 wt.% benzotriazole and 40-70 wt.% absolute ethanol. USE - Method for preparing graphene-based superhydrophobic B30 copper-nickel alloy. ADVANTAGE - The method enables to prepare graphene-based super hydrophobic B30 copper-nickel alloy has excellent corrosion resistance, corrosion inhibition efficiency is more than 97% and wide industrial application prospect.