The surface of the aluminum alloy airport chair parts corrosion is introduced ( 3)

by:OUHE     2020-06-03
Aluminum alloy airport chairs, aluminum waiting chair parts surface anti-corrosion: aluminum alloy corrosion resistant ability is not strong, easy to stain. Therefore, usually want to undertake special oxidation treatment of aluminum alloy parts, so that we can be good, such as corrosion resistance, abrasion resistance performance of artificial membrane. General can be divided into: the anode oxidation, chemical oxidation, micro-arc oxidation, laser oxidation method, rare earth conversion coating method. To introduce today, micro-arc oxidation, micro-arc oxidation was developed based on the basis of anodic oxidation is a new type of aluminum alloy surface ceramic technology. The technology using high energy density micro plasma arc and oxidized to form film layer and the hardness is greatly increased. Micro-arc oxidation characteristics: simple technology, high efficiency, low pollution, strong processing capacity, the prospect is a relatively good surface treatment technology, the ordinary anodic oxidation, a higher working voltage, working current is bigger, ceramic membrane and the anode oxidation membrane structure, but his film gap is small, low porosity, combining closely with matrix, and friction coefficient is small, uniform distribution, thus has higher corrosion resistance and abrasion resistance.
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