The Combined Effect of Direct Current Polarization, Ultraviolet Radiation, and Saline Immersion on the Degradation of an Epoxy Coating

Xu，Yuqing1; Song，Guang Ling1,2; Zheng，Dajiang1

2023

10.1007/s11665-023-08241-5

Journal of Materials Engineering and Performance   Impact Factor & Quartile

1059-9495

1544-1024

The corrosion damage of an epoxy coating/metal system was accelerated by different cyclic tests. Electrochemical impedance spectroscopy (EIS), optical microscopy, laser microscopy, adhesion measurement, scanning electron microscopy (SEM), and energy dispersive spectroscopy (EDS) were employed to reveal the degradation processes of the coating/metal system in these tests. The results showed that the test of cyclic polarization in immersion dramatically accelerated the corrosion of the metallic substrate. It is interesting that the alternating simple immersion and UV irradiation could slightly retard the coating damage in the first 15 days, whereas the alternating UV irradiation in air and electrochemical polarization in immersion could speed up the damage, which might better simulate the degradation of the coating/steel system in the marine tidal zone.

AC-DC-AC corrosion valuation degradation acceleration organic coating steel

SCI

English

Others

National Key Research and Development Program of China[2017YFB0702100] ; Science and Technology Planning Project of Fujian Province[2018H6017] ; National Natural Science Foundation of China["51731008","51671163"]

Materials Science

Materials Science, Multidisciplinary

WOS:001014487400002

SPRINGER

MATERIALS SCIENCE

2-s2.0-85162675078

Scopus

1.State Key Laboratory of Physical Chemistry of Solid Surfaces,Center for Marine Materials Corrosion and Protection,Xiamen University,Xiamen,422 S. Siming Rd,361005,China
2.Department of Ocean Science and Engineering,Southern University of Science and Technology,Shenzhen,Guangdong,518055,China

Xu，Yuqing,Song，Guang Ling,Zheng，Dajiang. The Combined Effect of Direct Current Polarization, Ultraviolet Radiation, and Saline Immersion on the Degradation of an Epoxy Coating[J]. Journal of Materials Engineering and Performance,2023.

Xu，Yuqing,Song，Guang Ling,&Zheng，Dajiang.(2023).The Combined Effect of Direct Current Polarization, Ultraviolet Radiation, and Saline Immersion on the Degradation of an Epoxy Coating.Journal of Materials Engineering and Performance.

Xu，Yuqing,et al."The Combined Effect of Direct Current Polarization, Ultraviolet Radiation, and Saline Immersion on the Degradation of an Epoxy Coating".Journal of Materials Engineering and Performance (2023).