Anodic Treatment Of Aluminum Alloy

1, aluminum alloy anodic treatment refers to anodic aluminum oxide, is on the surface of aluminum and aluminum alloy coated with a layer of dense alumina, in order to prevent its further oxidation. The principle is the anodic effect: it refers to the blocking phenomenon caused by the inhibition of the current transmission between the anode and the electrolyte.

2, anodic alumina production process

(1) Mechanical polishing;

(2) Removing the copper component from the surface of some alloys by chemical treatment;

(3) cleaning to remove oil;

(4) put in dilute sulfuric acid as an anode for electrification, generating a surface oxide layer;

(5) Staining;

(6) Fixation.

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