Abstract
Zn–Ni alloys obtained by electrodeposition display a high protective capacity against corrosion and low hydrogen brittleness. The presence of Zn in Zn–Ni alloys provides cathodic protection of iron-based substrates while Ni increase the deposits corrosion resistance. A variety of additives are usually added to bath depositions to improve the efficiency of the deposition and the characteristics of the deposit. A Zn–Ni electrodeposited alloy was evaluated considering a duct-shape electrochemical cell with controlled electrolyte flow and the presence of gelatin as an additive was considered. The Ni content depends on gelatin concentration and if the flux is a laminar or turbulent one. Increased amount of gelatin and flow rate reduced the grain size of deposit.
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