2011•Plating and FinishingRequires access

Electrodeposition Technology and Corrosion Resistance of Ni-Fe Alloy Coating

Yunhui Tang

Abstract

Ni-Fe alloy coatings were fabricated by electrodeposition process.The surface morphology and structure of the Ni-Fe alloy coatings were determined,and corrosion behavior of the coatings in various medium solutions were investigated by electrochemical polarization method.The results indicated that Ni-Fe alloy coating which contains 19.23% Fe has the optimal corrosion resistance in 5% H2SO4 and 3.5% NaCl solutions.But in 5% NaOH solution,Ni-Fe alloy coating containing 28.16 % Fe has the highest corrosion resistance.

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Key concepts: Corrosion, Alloy, Materials science, Metallurgy, Coating, Polarization (electrochemistry), Electrochemistry, 6111 aluminium alloy