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Title of Journal: J Appl Electrochem

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Abbravation: Journal of Applied Electrochemistry

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Springer Netherlands

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DOI

10.1007/s11230-007-9113-7

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1572-8838

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Electrochemical properties of electrodeposited nan

Authors: N M Nik Rozlin Akram M Alfantazi
Publish Date: 2013/05/17
Volume: 43, Issue: 7, Pages: 721-734
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Abstract

Nanocrystalline Co and CoFe with varied iron contents ranging from 5 to 25 wt Fe were electrodeposited from a sulfate bath The average grain sizes of the coatings obtained were measured using Scherrer equation and calculated to be in between 16 and 65 nm Electrochemical corrosion behavior of electrodeposited nanocrystalline cobalt Co and cobalt–iron CoFe alloys was investigated in both acidic 01 M H2SO4 and alkaline solution 01 M NaOH This study investigates the corrosion behavior of electrodeposited CoFe alloy coatings using polarization tests electrochemical impedance spectroscopy and Xray photoelectron spectroscopy techniques The nanocrystalline Co and CoFe showed active behavior for all alloy coatings in acidic condition while an active–passive–transpassive behavior was seen for all coatings in alkaline condition

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