Journal
PROGRESS IN ORGANIC COATINGS
Volume 132, Issue -, Pages 144-147Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.porgcoat.2019.03.046
Keywords
Self-healing; Zeolites; Inhibitors; Corrosion resistance; Magnesium alloys
Funding
- Fundamental Research Funds for the Central Universities [2018CDGFCL005, 2018CDYJSY0055]
- National Natural Science Foundation of China [51701029, 51531002, 51474043]
- National Key Research and Development Program of China [2016YFB0301100]
- China Postdoctoral Science Foundation [2017M620410, 2018T110942]
- Chongqing Postdoctoral Scientific Research Foundation [Xm2017010]
- Chongqing Research Program of Basic Research, Frontier Technology [cstc2016jcyjA0388, cstc2017jcyjBX0040]
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In present work, zeolite microparticles (NaX) were loaded with Ce3+, and the amount of Na exchanged for Ce was evaluated using EDS and EDXRF. Then the stimuli for release of cerium ions including pH, Mg2+ and Na+ cations were studied using ICP. Finally, the epoxy resin was doped with Ce-loaded zeolite microparticles (CeNaX), and was coated on PEO treated AZ31 substrate. The surface morphologies and self-healing ability also were characterized. The obtained results showed that NaX and CeNaX microparticles evenly embedded into the epoxy coating and the specimen modified by CeNaX had a good self-healing ability against corrosion.
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