Corrosion behaviour of epoxy coatings electrodeposited on galvanized steel and steel modified by Zn-Ni alloys
Abstract
The electrochemical and transport properties and thermal stability of epoxy coatings electrodeposited on hot-dip galvanized steel and steel modified by Zn-Ni alloys were investigated during exposure to 3% NaCl solution. Zn-Ni alloys were electrodeposited on steel by direct and pulse current. From the time dependence of pore resistance, coating capacitance and relative permittivity of epoxy coating, diffusion coefficient of water through epoxy coating, D(H2O) and thermal stability, it was shown that Zn-Ni sublayers significantly improve the corrosion stability of the protective system based on epoxy coating. Almost unchanged values of pore resistance were obtained over the long period of investigated time for epoxy coatings on steel modified by Zn-Ni alloys, indicating the great stability of these protective systems, due to the existence of the inner oxide phase layer and the outer layer consisting of basic salts.
Keywords:
electrodeposition / epoxy coatings / Zn-Ni alloys / hot-dip galvanized steel / corrosion / EISSource:
Progress in Organic Coatings, 2000, 39, 2-4, 127-135Publisher:
- Elsevier Science Sa, Lausanne
DOI: 10.1016/S0300-9440(00)00127-2
ISSN: 0300-9440
WoS: 000165884100005
Scopus: 2-s2.0-0343897933
Institution/Community
Tehnološko-metalurški fakultetTY - JOUR AU - Bajat, Jelena AU - Kačarević-Popović, Zorica M. AU - Mišković-Stanković, Vesna AU - Maksimović, Miodrag D. PY - 2000 UR - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/306 AB - The electrochemical and transport properties and thermal stability of epoxy coatings electrodeposited on hot-dip galvanized steel and steel modified by Zn-Ni alloys were investigated during exposure to 3% NaCl solution. Zn-Ni alloys were electrodeposited on steel by direct and pulse current. From the time dependence of pore resistance, coating capacitance and relative permittivity of epoxy coating, diffusion coefficient of water through epoxy coating, D(H2O) and thermal stability, it was shown that Zn-Ni sublayers significantly improve the corrosion stability of the protective system based on epoxy coating. Almost unchanged values of pore resistance were obtained over the long period of investigated time for epoxy coatings on steel modified by Zn-Ni alloys, indicating the great stability of these protective systems, due to the existence of the inner oxide phase layer and the outer layer consisting of basic salts. PB - Elsevier Science Sa, Lausanne T2 - Progress in Organic Coatings T1 - Corrosion behaviour of epoxy coatings electrodeposited on galvanized steel and steel modified by Zn-Ni alloys EP - 135 IS - 2-4 SP - 127 VL - 39 DO - 10.1016/S0300-9440(00)00127-2 ER -
@article{ author = "Bajat, Jelena and Kačarević-Popović, Zorica M. and Mišković-Stanković, Vesna and Maksimović, Miodrag D.", year = "2000", abstract = "The electrochemical and transport properties and thermal stability of epoxy coatings electrodeposited on hot-dip galvanized steel and steel modified by Zn-Ni alloys were investigated during exposure to 3% NaCl solution. Zn-Ni alloys were electrodeposited on steel by direct and pulse current. From the time dependence of pore resistance, coating capacitance and relative permittivity of epoxy coating, diffusion coefficient of water through epoxy coating, D(H2O) and thermal stability, it was shown that Zn-Ni sublayers significantly improve the corrosion stability of the protective system based on epoxy coating. Almost unchanged values of pore resistance were obtained over the long period of investigated time for epoxy coatings on steel modified by Zn-Ni alloys, indicating the great stability of these protective systems, due to the existence of the inner oxide phase layer and the outer layer consisting of basic salts.", publisher = "Elsevier Science Sa, Lausanne", journal = "Progress in Organic Coatings", title = "Corrosion behaviour of epoxy coatings electrodeposited on galvanized steel and steel modified by Zn-Ni alloys", pages = "135-127", number = "2-4", volume = "39", doi = "10.1016/S0300-9440(00)00127-2" }
Bajat, J., Kačarević-Popović, Z. M., Mišković-Stanković, V.,& Maksimović, M. D.. (2000). Corrosion behaviour of epoxy coatings electrodeposited on galvanized steel and steel modified by Zn-Ni alloys. in Progress in Organic Coatings Elsevier Science Sa, Lausanne., 39(2-4), 127-135. https://doi.org/10.1016/S0300-9440(00)00127-2
Bajat J, Kačarević-Popović ZM, Mišković-Stanković V, Maksimović MD. Corrosion behaviour of epoxy coatings electrodeposited on galvanized steel and steel modified by Zn-Ni alloys. in Progress in Organic Coatings. 2000;39(2-4):127-135. doi:10.1016/S0300-9440(00)00127-2 .
Bajat, Jelena, Kačarević-Popović, Zorica M., Mišković-Stanković, Vesna, Maksimović, Miodrag D., "Corrosion behaviour of epoxy coatings electrodeposited on galvanized steel and steel modified by Zn-Ni alloys" in Progress in Organic Coatings, 39, no. 2-4 (2000):127-135, https://doi.org/10.1016/S0300-9440(00)00127-2 . .