Abstract
This article discusses a new method for producing copper electrolytic coatings with high performance properties applied to oxidized aluminum alloys. The purpose of this work is to reveal the effect of the azo compound additive, methyl red (MR), on the structure and physicomechanical properties of copper coatings deposited on oxidized aluminum. To achieve this goal, the following tasks were solved: the microstructure and adhesive properties of the copper coating formed on oxidized aluminum alloys were determined, and the physical and mechanical properties of the copper coating (microhardness, open porosity, adhesion) were connected with the action of an azo dye in the copper plating electrolyte. Samples of aluminum alloys AD1M and AMg6BM were subjected to anodic treatment under the same conditions in two oxidation electrolytes of various compositions. The process of applying a copper coating to samples of oxidized aluminum alloys was carried out using a standard copper plating electrolyte. The comparison was carried out with a copper plating electrolyte of the same composition, in which an additive of azo dye, methyl red (MR). The use of this technology will not only increase the reliability and durability of machine parts and mechanisms, but also restore old ones, which is an important and relevant scientific and technical task.
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