The paper reviews the corrosion protection and decoration effect of aluminum alloy surface with the serial process of sandblasting,anodizing and coloring.Sandblasting can remove surface dirt and oxide layer,improve surface roughness and activity,and provide a good basis for anodizing.Through anodizing,it can form a uniform and dense oxide film with good wear resistance,heat resistance and corrosion resistance on the aluminum alloy surface.Coloring can lead to personalized decoration effect.The serial processes of sand-blasting,anodizing and coloring can significantly improve the corrosion protection and deco-ration effect of aluminum alloy surface,thereby improving the market competitiveness of the product.At the same time,the process has the advantages of environmental protection,high efficiency and low cost,seeing a wide application prospect.
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