A new method of electroplating cadmium on high-strength steel from aqueous fluoborate electrolytes has been developed at Argonne National Laboratory. The cadmium coatings are fine grained, coherent, and strongly adherent to the substrate. With this method, a high-rate electrodeposition is achieved in an electrolyte-flow cell using an optimized pulse-nucleation step followed by deposit growth under a DC or pulsed current. This method results in minimal hydrogen codeposition during plating, which can lead to steel embrittlement.

Subject
Coatings, Electrochemical cells, Plating, Substrates, Nucleation, Micrography, Electrochemical current, Current densities, Steel, Deposit corrosion, Electrodes, Electrolytes, Hydrogen
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1988
Association for Materials Protection and Performance (AMPP)
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