Advances in Research

The electrodeposition of Fe-Ni alloys was performed galvanostatically in chloride solutions of pH 1.5–2.5 at 70°C, and the deposition behavior was investigated. The presence of hydroxide iron in the electrolyte was the main cause of anomalous codeposition. Hydroxide iron precipitates were eliminated by using boric acid and filtration. The formation of iron ions, Fe³⁺, was inhibited by hydrochloric acid. The chloride electrolyte is stability and elimination of anomalies deposition. Changing the current process does not lead to a noticeable change in the content of iron and nickel in the film. The current value is selected when the contents of iron and nickel change due to additives in the electrolyte leads to modify the content of the film. Congruent deposition of FeNi occurs with relevant electrolyte compositions and films.