Journal
PROGRESS IN ORGANIC COATINGS
Volume 105, Issue -, Pages 123-131Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.porgcoat.2017.01.002
Keywords
Aluminium alloy; Organic cerium salt; Organic coatings; SVET; EIS; Corrosion inhibition
Funding
- National Natural Science Fund of China [51571202, 51001109]
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A new inhibitor pigment, cerium tartrate was studied as a pigment in epoxy coatings. The results of release measurements of Ce ions from epoxy coating in 0.05 mol/L NaCI indicate that cerium ions are able to transport through the epoxy coating, which is a key characteristic of inhibitor pigment. The electrochemical impedance spectroscopy (EIS) shows that cerium tartrate is an effective pigment for improving the barrier effect of epoxy coatings on AA2024-T3. The self-healing ability of cerium tartrate in artificial defects was verified by scanning vibrating electrode technique (SVET). (C) 2017 Elsevier B.V. All rights reserved.
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