Title: Preparation of Electrodeposited Bright Sn-Ni Alloy Coating and Its Corrosion Resistance
Abstract: By introducing amino acid additives in the pyrophosphate plating bath,the Sn-Ni alloy coating containing 67% Sn(mass fraction),having similar color to Ni coating and excellent corrosion resistance as well,was prepared using electro-deposition.The effect of the concentration of the additive in the plating bath on the composition,morphology,and corrosion resistance of the Sn-Ni alloy coating was investigated.It was found that the amino acid additives had significant effects on the stability of the plating bath and the composition of the alloy coating.The alloy coating deposited from the plating bath containing 2.0 g/L of the amino acid additives had considerably improved corrosion resistance,and it was superior to electrodeposited Ni coating in terms of the corrosion resistance.
Publication Year: 2008
Publication Date: 2008-01-01
Language: en
Type: article
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