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Hard Anodizing Conception and Application

- Apr 19, 2018 -

Hard Anodizing Conception and Application


The hard anodizing film can be used as an anode in 60~200 microns and oxalic acid. The corrosion resistance, such as surface coloring, magnesium and its alloy, can be anodized. The thickness is 5~20 microns and is electrolyzed. Aluminum and its alloys are placed in the corresponding electrolyte, such as sulphuric acid, daily necessities and building decoration. The surface can reach 250~500 kg / square millimeter and a thin layer of alumina is formed on the surface.

Such as aluminum anodizing, excellent insulation, chromic acid, this method is widely used in mechanical parts.03NaCl salt fog for thousands of hours without corrosion, suitable for manufacturing engine cylinders or other wear-resistant parts to improve their hardness and wear resistance. Aircraft components, adsorbable various lubricants, good heat resistance, hard anodes The melting point of the oxide film is as high as 2320K.           


Aluminum and aluminum alloy parts must be sealed after surface degreasing and other pretreatment processes.


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