FIELD: metallurgy.
SUBSTANCE: proposed method consists in micro arc oxidising and/or anodising at different parts of metallic article and comprises processing said article. Parts of the article are located in two tightly isolated tanks to subjected to AC effects brought about two counter electrodes arranged in said tanks filled with electrolyte. Surface area of every counter electrode is larger than that of article part by more than five times.
EFFECT: preset properties and depth, twofold reduction on power consumption.
5 cl, 2 dwg, 3 ex
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