Corrosion inhibiting action of Ni-Mo alloy coatings in the presence of mixed metal oxide nanocompositesElectronic supplementary information (ESI) available. See DOI: 10.1039/c8nj01695j
This paper is an attempt to establish the role of mixed metal oxide nanoparticles of ZnO-SnO 2 (ZTO), ZnO-WO 3 (ZWO) and ZnO-TiO 2 (ZTiO) for enhancement of the corrosion inhibiting action of Ni-Mo alloy coatings on a copper substrate. Binary Ni-Mo alloy coatings were electrodeposited on copper plat...
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06.08.2018
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Abstract | This paper is an attempt to establish the role of mixed metal oxide nanoparticles of ZnO-SnO
2
(ZTO), ZnO-WO
3
(ZWO) and ZnO-TiO
2
(ZTiO) for enhancement of the corrosion inhibiting action of Ni-Mo alloy coatings on a copper substrate. Binary Ni-Mo alloy coatings were electrodeposited on copper plates in the presence and absence of nanoparticles from an alkaline citrate bath. The nanoparticles were previously synthesized
via
an electrochemical thermal technique. The corrosion resistance of these alloy coatings was evaluated by electrochemical impedance spectroscopy (EIS) and potentiodynamic polarisation techniques in 3.5% NaCl medium. The experimental results reveal that the corrosion inhibiting capacity of the coating is best enhanced in the presence of ZWO nanoparticles deposited at the optimum current density (c.d.). Changes in surface morphology, phase structure and composition were analysed using SEM, XRD, and EDX. It was observed that alloy coatings reinforced with nanoparticles possessed a much smoother surface microstructure which could result in superior corrosion resistance.
Enhanced anti-corrosion properties of Ni-Mo alloy coatings by addition of mixed metal oxide nanoparticles
via
an electrodeposition method. |
---|---|
AbstractList | This paper is an attempt to establish the role of mixed metal oxide nanoparticles of ZnO-SnO
2
(ZTO), ZnO-WO
3
(ZWO) and ZnO-TiO
2
(ZTiO) for enhancement of the corrosion inhibiting action of Ni-Mo alloy coatings on a copper substrate. Binary Ni-Mo alloy coatings were electrodeposited on copper plates in the presence and absence of nanoparticles from an alkaline citrate bath. The nanoparticles were previously synthesized
via
an electrochemical thermal technique. The corrosion resistance of these alloy coatings was evaluated by electrochemical impedance spectroscopy (EIS) and potentiodynamic polarisation techniques in 3.5% NaCl medium. The experimental results reveal that the corrosion inhibiting capacity of the coating is best enhanced in the presence of ZWO nanoparticles deposited at the optimum current density (c.d.). Changes in surface morphology, phase structure and composition were analysed using SEM, XRD, and EDX. It was observed that alloy coatings reinforced with nanoparticles possessed a much smoother surface microstructure which could result in superior corrosion resistance.
Enhanced anti-corrosion properties of Ni-Mo alloy coatings by addition of mixed metal oxide nanoparticles
via
an electrodeposition method. |
Author | Mascarenhas, Naveen Praveen Hegde, Ampar Chitharanjan Goveas, Jenice Jean Shetty, Sandhya Gonsalves, Richard Adolf |
AuthorAffiliation | Department of Chemistry St. Aloysius College (Autonomous) National Institute of Technology St. Joseph Engineering College Department of Physics |
AuthorAffiliation_xml | – name: Department of Chemistry – name: National Institute of Technology – name: Department of Physics – name: St. Joseph Engineering College – name: St. Aloysius College (Autonomous) |
Author_xml | – sequence: 1 givenname: Jenice Jean surname: Goveas fullname: Goveas, Jenice Jean – sequence: 2 givenname: Sandhya surname: Shetty fullname: Shetty, Sandhya – sequence: 3 givenname: Naveen Praveen surname: Mascarenhas fullname: Mascarenhas, Naveen Praveen – sequence: 4 givenname: Ampar Chitharanjan surname: Hegde fullname: Hegde, Ampar Chitharanjan – sequence: 5 givenname: Richard Adolf surname: Gonsalves fullname: Gonsalves, Richard Adolf |
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References_xml | – issn: 1987 publication-title: Practical electroplating hand book doi: Pardhasaradhy – issn: 2011 publication-title: The Structure of the Metal-SolutionInterface. In: Theory and Practice of Metal Electrodeposition doi: Gamburg Zangari – issn: 2005 publication-title: Impedance spectroscopy: theory, experiment, and applications doi: Barsoukov Macdonald – issn: 1996 publication-title: Principles and Prevention of Corrosion doi: Jones – issn: 1963 publication-title: Electrodeposition of Alloys doi: Brenner |
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Snippet | This paper is an attempt to establish the role of mixed metal oxide nanoparticles of ZnO-SnO
2
(ZTO), ZnO-WO
3
(ZWO) and ZnO-TiO
2
(ZTiO) for enhancement of... |
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Title | Corrosion inhibiting action of Ni-Mo alloy coatings in the presence of mixed metal oxide nanocompositesElectronic supplementary information (ESI) available. See DOI: 10.1039/c8nj01695j |
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