Abstract
The article discusses the problem of optimizing the anode shape to reduce the non-uniformity of the electroplating coating for a long thin- walled detail. An increase in the non-uniformity of the coating due to the ohmic potential drop in the electrodes body is characteristic of such details. The problem of optimizing the anode shape is formulated to minimize the non-uniformity of the electroplating coating. The mathematical model of the electroplating process has been developed, which takes into account the ohmic potential drop in the electrodes body. The problem of optimizing the anode shape is solved by the example of zinc electroplating process in an alkaline electrolyte, taking into account the ohmic potential drop in the electrodes body and without it.
Highlights
Electroplating coatings are used to modify detail surface properties and protect them from corrosion [1]
Non-uniformity leads to the detail rejection and an increase in the cost of the electroplating process
The non-uniformity of the electroplating coating is caused by different strengths of the electric field on the detail surface immersed in an electrolyte solution
Summary
Electroplating coatings are used to modify detail surface properties and protect them from corrosion [1]. The article [3] is devoted to the research the effect of the number, size and anodes location in an electroplating bath on the non-uniformity of the resulting coating. The inhomogeneity of the electric field is enhanced by the ohmic potential drop in the electrodes body when electroplating long thinwalled details, increasing the non-uniformity of the coating [6].
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