▎ 摘　　要

NOVELTY - The utility model claims an aluminium alloy anode oxidation and graphene sealing protective layer, comprising an anode oxide layer and a graphene sealing layer prepared from inside to outside on the surface of the aluminium alloy substrate, wherein the anode oxide layer is sealed by nano hydroxyl graphene sealing agent. The aluminium alloy protective layer provided by the utility model, according to GB/T 10125-1997 artificial atmosphere corrosion test salt fog test for neutral salt fog test 1200h, plating surface without white corrosion object.