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Deposition and Characterization of a New Mixed Organic/Inorganic Cerium Containing Coating for the Corrosion Protection of Eletrogalvanized Steel

Ferreira, JM, Rossi, JL, Baker, MA, Hinder, SJ and Costa, I (2014) Deposition and Characterization of a New Mixed Organic/Inorganic Cerium Containing Coating for the Corrosion Protection of Eletrogalvanized Steel INTERNATIONAL JOURNAL OF ELECTROCHEMICAL SCIENCE, 9 (4). pp. 1827-1839.

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Abstract

Protective coatings have been deposited on electrogalvanized steel by immersion in solutions containing 2-Butyne-1.4-diol propoxylate (CHO), cerium nitrate, sodium nitrate and sodium sulphate for different immersion periods. The surface morphology and chemical composition of the coatings formed on the electrogalvanized steel were studied using field emission gun scanning electron microscopy, X-ray photoelectron spectroscopy and Fourier Transform Infrared Spectroscopy. The corrosion resistance of the electrogalvanized steel prior to and after surface treatment was investigated by electrochemical impedance spectroscopy in 0.1 mol L NaCl solution. The results were compared to the performance of a chromate conversion coating in the same solution. The coatings formed on the electrogalvanized steel surface showed the presence of a mixed organic/inorganic layer containing CeO and CeO which improved the corrosion resistance of the substrate and showed a superior corrosion resistance to that provided by a chromate conversion coating.

Item Type: Article
Divisions : Faculty of Engineering and Physical Sciences > Mechanical Engineering Sciences
Authors :
AuthorsEmailORCID
Ferreira, JMUNSPECIFIEDUNSPECIFIED
Rossi, JLUNSPECIFIEDUNSPECIFIED
Baker, MAUNSPECIFIEDUNSPECIFIED
Hinder, SJUNSPECIFIEDUNSPECIFIED
Costa, IUNSPECIFIEDUNSPECIFIED
Date : 1 April 2014
Uncontrolled Keywords : Science & Technology, Physical Sciences, Electrochemistry, Corrosion protection, Electrogalvanized steel, Organic/Inorganic mixed coating, CONVERSION COATINGS, GALVANIZED STEEL, ZINC, XPS, PERFORMANCE, INHIBITORS, SILANE, OXIDES
Related URLs :
Additional Information : © 2014 by ESG. This paper appears here by kind permission of the publisher.
Depositing User : Symplectic Elements
Date Deposited : 20 Jan 2015 11:37
Last Modified : 20 Jan 2015 11:37
URI: http://epubs.surrey.ac.uk/id/eprint/805226

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