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The effect of surfactant on the microstructure and corrosion resistance of electrodeposited Ni-Mo alloy coatings

The effect of surfactant on the microstructure and corrosion resistance of electrodeposited Ni-Mo... In this research, the microstructure and corrosion behavior of Ni-Mo alloy coatings obtained from a citrate bath solution containing sodium dodecyl sulfate (SDS) as an anionic surfactant, and cetyltrimethylammonium bromide (CTAB) as a cationic surfactant, have been investigated.Design/methodology/approachFor this purpose, the Cathodic polarization curves were plotted using a potentiostat/galvanostat set. Scanning electron microscopy and energy dispersive spectroscopy were, respectively, used to investigate the morphology and chemical composition of the coatings.FindingsThe results of the corrosion test showed that the corrosion resistance of the coatings obtained from electroplating bath only containing CTAB surfactant was deteriorated. On the other hand, SDS anionic surfactant positively affected on the corrosion resistance of the coatings when it was added to the electroplating bath.Originality/valueFor this purpose, the Cathodic polarization curves were plotted using a potentiostat/galvanostat set. Scanning electron microscopy and energy dispersive spectroscopy were respectively used to investigate the morphology and chemical composition of the coatings. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Anti-Corrosion Methods and Materials Emerald Publishing

The effect of surfactant on the microstructure and corrosion resistance of electrodeposited Ni-Mo alloy coatings

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Publisher
Emerald Publishing
Copyright
© Emerald Publishing Limited
ISSN
0003-5599
DOI
10.1108/acmm-03-2019-2087
Publisher site
See Article on Publisher Site

Abstract

In this research, the microstructure and corrosion behavior of Ni-Mo alloy coatings obtained from a citrate bath solution containing sodium dodecyl sulfate (SDS) as an anionic surfactant, and cetyltrimethylammonium bromide (CTAB) as a cationic surfactant, have been investigated.Design/methodology/approachFor this purpose, the Cathodic polarization curves were plotted using a potentiostat/galvanostat set. Scanning electron microscopy and energy dispersive spectroscopy were, respectively, used to investigate the morphology and chemical composition of the coatings.FindingsThe results of the corrosion test showed that the corrosion resistance of the coatings obtained from electroplating bath only containing CTAB surfactant was deteriorated. On the other hand, SDS anionic surfactant positively affected on the corrosion resistance of the coatings when it was added to the electroplating bath.Originality/valueFor this purpose, the Cathodic polarization curves were plotted using a potentiostat/galvanostat set. Scanning electron microscopy and energy dispersive spectroscopy were respectively used to investigate the morphology and chemical composition of the coatings.

Journal

Anti-Corrosion Methods and MaterialsEmerald Publishing

Published: Aug 22, 2019

Keywords: Corrosion; Anionic; Cationic; Ni-Mo coating; Surfactant; Microstructure

References