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How to prevent the rust of 6061 aluminum plate

Edit:admin Date: 2018-01-02 16:32
6061 aluminum plate is widely used in various industrial structures with a certain strength, weldability and high corrosion resistance, such as the manufacture of trucks, take the building, ships, trams, furniture, machinery parts, precision machining, industrial materials more extensive and so on. 6061 aluminum has such a wide range of uses, then, how to prevent the rust of 6061 aluminum plate?
The most common surface of the 6061 aluminum surface rust-proof oxidation treatment most of the previous articles we mentioned 6061 aluminum oxidation, and today we are in general to tell you. 6061 common rust on the market is 6061 aluminum plate surface oxidation in three ways: powder coating, electrophoretic coating, anodizing, and several other ways.

Electrophoretic coating: Electrophoretic coating is the international 6061 aluminum and the corresponding electrode into the water-soluble paint, connected to the power supply, relying on the physical and chemical effects generated by the electric field, so that the paint resin, pigments and fillers in the international 6061 aluminum A coating method for uniformly depositing and depositing a water-insoluble paint film on the surface of an electrode. Electrophoretic coating is a very complex electrochemical reaction process, including at least electrophoresis, electrodeposition, electroosmosis, electrolysis four processes. Electrophoretic coating according to the deposition performance can be divided into anodic electrophoresis (the workpiece is the anode, the coating is anionic) and cathodic electrophoresis (the workpiece is the cathode, the coating is cationic); press the power can be divided into DC electrophoresis and AC electrophoresis; A constant voltage and constant current method. Currently more widely used in the industry is the constant voltage DC power supply anodic electrophoresis.
Anodization: Anodization is actually an electrolytic oxidation process in which the surfaces of aluminum and aluminum alloys are usually converted to an oxide film that is protective, decorative and has several other functional properties. The metal or alloy parts as the anode, the electrolytic method to form an oxide film on the surface. Metal oxide film changes the surface state and performance, such as surface coloring, improve corrosion resistance, wear resistance and hardness, to protect the metal surface.
Powder coating: The basic principle is to form a high-voltage corona discharge electric field between the spray gun and the workpiece. When the powder particles are sprayed through the discharge area by the spray gun, a large amount of electrons are replenished and become negatively charged particles. Attracted to the positively charged workpiece. When the powder is attached to a certain thickness, the function of "same-sex repulsion" occurs and the powder can not be adsorbed again, so that the thickness of the powder layer in each part is uniform, and then the powder layer flows and becomes a uniform film after being heated, baked and cured Floor.
The above is the 6061 aluminum rust is 6061 aluminum surface oxidation of several ways.
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