期刊
JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
卷 32, 期 5, 页码 425-431出版社
JOURNAL MATER SCI TECHNOL
DOI: 10.1016/j.jmst.2015.12.017
关键词
Waterborne epoxy coating; Graphene; Corrosion resistance; Electrochemical impedance spectroscopy (EIS)
资金
- National Natural Science Foundation of China [41506098]
- China Postdoctoral Science Foundation [2015M580528]
- Open Fund Project of Key Laboratory of Marine Materials and Related Technologies in the Chinese Academy of Sciences [LMMT-KFKT-2014-008]
Graphene (G) was dispersed uniformly in water and used as an inhibitor in waterborne epoxy coatings. The effect of dispersed G on anticorrosion performance of epoxy coatings was evaluated. The composite coatings displayed outstanding barrier properties against H2O molecule compared to the neat epoxy coating. Open circuit potential (OCP), Tafel and electrochemical impedance spectroscopy (EIS) analysis confirmed that the corrosion rate exhibited by composite coatings with 0.5 wt% G was an order of magnitude lower than that of neat epoxy coating. Salt spray test results revealed superior corrosion resistance offered by the composite coating. Copyright (C) 2016, The editorial office of Journal of Materials Science & Technology. Published by Elsevier Limited. All rights reserved.
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