期刊
JOURNAL OF COATINGS TECHNOLOGY AND RESEARCH
卷 10, 期 4, 页码 493-502出版社
SPRINGER
DOI: 10.1007/s11998-012-9463-1
关键词
Nanocomposite; Cerium nitrate; Salt spray; Impedance
Nanocomposite coatings which were applied on carbon steel panels based on epoxy cerium nitrate-montmorillonite (MMT) were synthesized and formulated. Nanoparticles were incorporated into epoxy resin by mechanical and sonication processes. The state of dispersion, dissolution, and incorporation were characterized by optical microscopy, sedimentation tests, X-ray diffraction, and transmission electron microscopy. To investigate anticorrosive properties of nanocomposite coatings, electrochemical impedance spectroscopy and salt spray tests were employed. The experimental results showed that epoxy cerium nitrate-MMT nanocomposite coatings were superior to the neat epoxy in corrosion protection effects. In addition, it was observed that the corrosion protection of nanocomposite coatings was improved as the clay loading was increased up to 4-2 wt% cerium nitrate.
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