The surface treatment of the aluminum alloy shell is mainly to overcome the defects of the surface performance of the aluminum alloy shell, so as to expand the application range of the aluminum alloy shell and increase its service life. Surface treatment is an indispensable technical measure for aluminum alloy shells. In terms of enterprise production, the surface treatment processes of aluminum alloy shells are common anodizing, chemical oxidation, electroplating, spraying, etc. Among them, the anode is the most widely used in industry. oxidation.
The purpose of the surface treatment of the aluminum alloy shell is fundamental to improving the protection, decoration, and functionality of the aluminum alloy shell.
Protection: The aluminum alloy shell is easier to corrode by other substances before surface treatment. Under the action of the galvanic couple, the aluminum alloy shell without treatment will corrode faster, and it can be effectively isolated after anodizing or organic polymer coating. Corrosives and galvanic couples prevent corrosion.
Decorative: Decorative mainly improves the appearance quality from the beautiful appearance of the aluminum alloy shell. Different surface treatments can correspondingly improve the surface gloss of the aluminum alloy shell, repair surface defects, and add color or stripe decoration to the surface of the aluminum alloy shell.
Functionality: Functionality refers to imparting specific chemical or physical properties to the aluminum alloy shell through the surface treatment process, such as; increasing hardness, wear resistance, electrical insulation, etc.
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