alexa Study of Cerium-modified Triazinedithiol Electrodeposited Nanofilm on Corrosion Protection for Aluminum Alloy
ISSN: 2169-0022

Journal of Material Sciences & Engineering
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Research Article

Study of Cerium-modified Triazinedithiol Electrodeposited Nanofilm on Corrosion Protection for Aluminum Alloy

Wang F*, Wang J, Jia M, Shi M and Zhang F

College of Science, Northwest A&F University, Xinong Road No.22, Yangling, Shaanxi, 712100, China

*Corresponding Author:
Wang F
College of Science
Northwest A&F University
Xinong Road No.22, Yangling
Shaanxi, 712100, China
Tel: +86-29-87092226
Fax: +86-29-8709222
E-mail: [email protected]

Received Date: January 15, 2015; Accepted Date: March 12, 2015; Published Date: March 24, 2015

Citation: Wang F, Wang J, Jia M, Shi M, Zhang F (2015) Study of Cerium-modified Triazinedithiol Electrodeposited Nanofilm on Corrosion Protection for Aluminum Alloy. J Material Sci Eng 4:159. doi: 10.4172/2169-0022.1000159

Copyright: © 2015 Wang F, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited..

 

Abstract

The cerium-modified polymeric nanofilm of 6-(N,N-dibutyl)amino-1,3,5-triazine-2,4-dithiol monosodium (DBN) was fabricated by two-step potential electrodeposition onto aluminum alloy for corrosion protection. The structure, surface wettability and corrosion protection of the polymeric nanofilm were investigated by means of fourier transform infrared spectroscopy (FT-IR), water contact angle (WCA), open-circuit potential (OCP), potentiodynamic polarization and electrochemical impedance spectroscopy (EIS), respectively. FT-IR result revealed that DBN monomer had successfully been polymerized on aluminum alloy surface by electrochemical deposition in the absence and presence of cerium and the addition of cerium had no influence on FT-IR of the polymeric nanofilm. The result of surface wettability showed that WCA of aluminum alloy cerium-modified polymeric nanofilm was slightly higher compared with that without cerium. Electrochemical measurements demonstrated that the cerium-modified polymeric nanofilm on aluminum alloy surface exhibited remarkable corrosion protection property, which could be ascribed to the precipitation of cerium oxides or hydroxides on aluminum surface or the coordination between cerium and heterocyclic π-electron in polymeric nanofilm to prevent corrosive particles to the surface of aluminum substrate.

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