We all know that aluminum alloy shell is widely used in life and industrial products, and in order to make the aluminum shell adapt to a certain environment or achieve certain functions, the enterprise has also selected a different process to treat the aluminum shell surface, such as: anodizing, electroplating, spraying, micro-arc oxidation treatment and so on.
But anodizing is the most widely used, so why is anodizing so popular that it becomes a favorite in surface treatment?Let’s take a look.
First of all, the anodized aluminum shell will produce a layer of anticorrosive, wear-resistant and beautiful oxidation film on the surface. The characteristics of the oxidation film also lay the position of anodizing in the surface treatment process.
Secondly, the shell of aluminum alloy is anodized with a layer of protective “outer coat”. Because the anodized film is very stable in the natural environment, it can provide anti-corrosion protection for the shell of aluminum alloy.
At the same time, the anodized film has a high hardness and low roughness, and the surface is smooth, which greatly improves the wear resistance of the aluminum shell. If a variety of organic and inorganic dyes are added in the anodizing process, the anodized film has a color, which brings a beautiful appearance to the aluminum shell.
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