Electrochemical and sorption characteristics and thermal stability of epoxy coatings electrodeposited on steel modified by Zn-Co alloy
Apstrakt
The corrosion behaviour, transport properties and thermal stability of epoxy coatings electrodeposited on steel and steel modified by Zn-Co alloys were investigated during exposure to 3% NaCl solution. The electrochemical impedance spectroscopy (EIS), gravimetric liquid sorption measurements and thermogravimetric analysis (TGA) were used. Zn-Co alloys were electrodeposited on steel from chloride and sulphate baths, by different current densities. From the time dependence of pore resistance and coating capacitance of epoxy coating, diffusion coefficient of water through epoxy coating and thermal stability it was shown that Zn-Co sublayer obtained from chloride solution significantly improves the corrosion stability of the protective system based on epoxy coating. Almost unchanged values of pore resistance were obtained over the long period of exposure time, indicating the great stability of this protective system, due to the existence of a passive layer consisting of basic salts. (C) 20...02 Elsevier Science B.V. All rights reserved.
Ključne reči:
electrodeposition / Zn-Co alloys / epoxy coatings / corrosion / EISIzvor:
Progress in Organic Coatings, 2002, 45, 4, 379-387
DOI: 10.1016/S0300-9440(02)00124-8
ISSN: 0300-9440
WoS: 000179438700007
Scopus: 2-s2.0-0036887967
Kolekcije
Institucija/grupa
VinčaTY - JOUR AU - Bajat, Jelena B. AU - Mišković-Stanković, Vesna B. AU - Kačarević-Popović, Zorica M. PY - 2002 UR - https://vinar.vin.bg.ac.rs/handle/123456789/2586 AB - The corrosion behaviour, transport properties and thermal stability of epoxy coatings electrodeposited on steel and steel modified by Zn-Co alloys were investigated during exposure to 3% NaCl solution. The electrochemical impedance spectroscopy (EIS), gravimetric liquid sorption measurements and thermogravimetric analysis (TGA) were used. Zn-Co alloys were electrodeposited on steel from chloride and sulphate baths, by different current densities. From the time dependence of pore resistance and coating capacitance of epoxy coating, diffusion coefficient of water through epoxy coating and thermal stability it was shown that Zn-Co sublayer obtained from chloride solution significantly improves the corrosion stability of the protective system based on epoxy coating. Almost unchanged values of pore resistance were obtained over the long period of exposure time, indicating the great stability of this protective system, due to the existence of a passive layer consisting of basic salts. (C) 2002 Elsevier Science B.V. All rights reserved. T2 - Progress in Organic Coatings T1 - Electrochemical and sorption characteristics and thermal stability of epoxy coatings electrodeposited on steel modified by Zn-Co alloy VL - 45 IS - 4 SP - 379 EP - 387 DO - 10.1016/S0300-9440(02)00124-8 ER -
@article{ author = "Bajat, Jelena B. and Mišković-Stanković, Vesna B. and Kačarević-Popović, Zorica M.", year = "2002", abstract = "The corrosion behaviour, transport properties and thermal stability of epoxy coatings electrodeposited on steel and steel modified by Zn-Co alloys were investigated during exposure to 3% NaCl solution. The electrochemical impedance spectroscopy (EIS), gravimetric liquid sorption measurements and thermogravimetric analysis (TGA) were used. Zn-Co alloys were electrodeposited on steel from chloride and sulphate baths, by different current densities. From the time dependence of pore resistance and coating capacitance of epoxy coating, diffusion coefficient of water through epoxy coating and thermal stability it was shown that Zn-Co sublayer obtained from chloride solution significantly improves the corrosion stability of the protective system based on epoxy coating. Almost unchanged values of pore resistance were obtained over the long period of exposure time, indicating the great stability of this protective system, due to the existence of a passive layer consisting of basic salts. (C) 2002 Elsevier Science B.V. All rights reserved.", journal = "Progress in Organic Coatings", title = "Electrochemical and sorption characteristics and thermal stability of epoxy coatings electrodeposited on steel modified by Zn-Co alloy", volume = "45", number = "4", pages = "379-387", doi = "10.1016/S0300-9440(02)00124-8" }
Bajat, J. B., Mišković-Stanković, V. B.,& Kačarević-Popović, Z. M.. (2002). Electrochemical and sorption characteristics and thermal stability of epoxy coatings electrodeposited on steel modified by Zn-Co alloy. in Progress in Organic Coatings, 45(4), 379-387. https://doi.org/10.1016/S0300-9440(02)00124-8
Bajat JB, Mišković-Stanković VB, Kačarević-Popović ZM. Electrochemical and sorption characteristics and thermal stability of epoxy coatings electrodeposited on steel modified by Zn-Co alloy. in Progress in Organic Coatings. 2002;45(4):379-387. doi:10.1016/S0300-9440(02)00124-8 .
Bajat, Jelena B., Mišković-Stanković, Vesna B., Kačarević-Popović, Zorica M., "Electrochemical and sorption characteristics and thermal stability of epoxy coatings electrodeposited on steel modified by Zn-Co alloy" in Progress in Organic Coatings, 45, no. 4 (2002):379-387, https://doi.org/10.1016/S0300-9440(02)00124-8 . .