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High corrosion protection of a polyaniline/organophilic montmorillonite coating for magnesium alloys
Y. J. Zhang; Y. W. Shao; T. Zhang; G. Z. Meng; F. H. Wang
2013
Source PublicationProgress in Organic Coatings
ISSN0300-9440
Volume76Issue:5Pages:804-811
AbstractEpoxy coatings containing polyaniline (PANI) and polyaniline/organophilic montmorillonite (PANI/OMMT) powders were prepared on the surface of AZ91D magnesium alloy. The corrosion performance of the coatings was evaluated by electrochemical impedance spectroscopy (EIS) and open-circuit potential analysis in 3.5% NaCl. The results indicate that the PANI/OMMT coating retained its high corrosion protection for AZ91D magnesium alloy after 6000 h of immersion. The protective mechanism conferred by the PANI/OMMT coating was also discussed. The effects of oxygen on the protective mechanism of PANI were evaluated by EIS measurements in a 3.5% deaerated NaCl solution. (C) 2013 Elsevier B.V. All rights reserved.
description.department[zhang, yingjun ; shao, yawei ; zhang, tao ; meng, guozhe ; wang, fuhui] harbin engn univ, corros & protect lab, key lab superlight mat & surface technol, minist educ, harbin 150001, peoples r china. [shao, yawei ; zhang, tao ; meng, guozhe ; wang, fuhui] chinese acad sci, state key lab corros & protect, inst met res, shenyang 110016, peoples r china. ; shao, yw (reprint author), harbin engn univ, corros & protect lab, key lab superlight mat & surface technol, minist educ, nantong st 145, harbin 150001, peoples r china. ; shaoyawei@hrbeu.edu.cn
KeywordPolyaniline Magnesium Alloy Corrosion Protection Eis Electrochemical Impedance Spectroscopy Clay Nanocomposite Coatings Mild-steel Emeraldine Base Anticorrosion Properties Doped Polyaniline Epoxy Coatings Mg Alloy Behavior Inhibition
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Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/71696
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Y. J. Zhang,Y. W. Shao,T. Zhang,et al. High corrosion protection of a polyaniline/organophilic montmorillonite coating for magnesium alloys[J]. Progress in Organic Coatings,2013,76(5):804-811.
APA Y. J. Zhang,Y. W. Shao,T. Zhang,G. Z. Meng,&F. H. Wang.(2013).High corrosion protection of a polyaniline/organophilic montmorillonite coating for magnesium alloys.Progress in Organic Coatings,76(5),804-811.
MLA Y. J. Zhang,et al."High corrosion protection of a polyaniline/organophilic montmorillonite coating for magnesium alloys".Progress in Organic Coatings 76.5(2013):804-811.
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