| Publication Type |
Journal Article |
| Title |
Novel smart and self-healing cerium phosphate-based corrosion inhibitor for AZ31 magnesium alloy |
| Authors |
Lénia M. Calado Maryna G. Taryba Yegor Morozov Maria J. Carmezim Maria F. Montemor |
| Groups |
CSSE |
| Journal |
CORROSION SCIENCE |
| Year |
2020 |
| Month |
July |
| Volume |
170 |
| Number |
|
| Pages |
|
| Abstract |
Tri(bis(2-ethylhexyl)phosphate) (Ce(DEHP)(3)) was used as novel corrosion inhibitor for protection of AZ31 coated with an epoxy-silane hybrid coating. Electrochemical Impedance Spectroscopy (EIS) in 0.05 M NaCl showed that Ce(DEHP)(3)-modified coating offered superior corrosion protection compared to a reference coating. Localized electrochemical techniques (Localized Electrochemical Impedance Spectroscopy - LEIS, Scanning Vibrating Electrode Technique - SVET, and Scanning Ion-Selective Electrode Technique - SIET) were employed to assess the corrosion healing effect of Ce(DEHP)(3) in defect-containing coatings. Results showed that Ce(DEHP)(3) introduces cyclic pH-dependent corrosion inhibition, involving the combined action of cerium and organophosphate ions through formation of protective Ce- and P-containing species. |
| DOI |
http://dx.doi.org/10.1016/j.corsci.2020.108648 |
| ISBN |
|
| Publisher |
PERGAMON-ELSEVIER SCIENCE LTD |
| Book Title |
|
| ISSN |
0010-938X |
| EISSN |
1879-0496 |
| Conference Name |
|
| Bibtex ID |
ISI:000533523500039 |
| Observations |
|
