The effect of Zn-Ni sublayers on the corrosion behaviour and thermal stability of epoxy coatings electrodeposited on steel
Uticaj Zn-Ni podslojeva na koroziono ponašanje i termičku stabilnost epoksidnih elektroforetskih prevlaka na čeliku
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The electrochemical and transport properties, as well as the thermal stability of epoxy coatings electrodeposited on steel and steel modified by Zn-Ni alloys were investigated during exposure to 3 % NaCl. The Zn-Ni alloys were electrodeposited on steel using direct and pulse current. From the time dependence of the pore resistance of the epoxy coating (impedance measurements), the diffusion coefficient of water through the epoxy coating (gravimetric liquid sorption measurements) and the thermal stability of the epoxy coating (thermogravimetric analysis), it was shown that Zn-Ni sublayers significantly improve the corrosion stability of a protective system based on an epoxy coating. The values of the pore resistance were almost unchanged over a long period of immersion time for epoxy coatings on steel modified by Zn-Ni alloys, inidicating the great stability of these protective systems. .
Proučavane su elektrohemijske i transportne karakteristike i termička stabilnost epoksidnih elektroforetskih prevlaka na čeliku i čeliku modifikovanom Zn-Ni legurama tokom delovanja 3 % rastvora NaCl. Legure Zn-Ni su taložene na čeliku konstantnom i pulsirajućom strujom. Na osnovu vremenske zavisnosti otpornosti u porama epoksidne prevlake (impedansna merenja), koeficijenta difuzije vode kroz epoksidnu prevlaku (gravimetrijsko određivanje sorpcionih karakteristika) i njene termičke stabilnosti (termogravimetrijska analiza), pokazano je da Zn-Ni podslojevi značajno povećavaju korozionu stabilnost zaštitnog sistema na bazi epoksidne prevlake. Skoro nepromenjene vrednosti otpornosti u porama tokom dugog perioda delovanja korozionog agensa kod epoksidnih prevlaka na čeliku modifikovanom Zn-Ni legurama ukazuju na veliku stabilnost ovih zaštitnih sistema. .
Кључне речи:
electrodeposition / epoxy coatings / Zn-Ni alloys / steel / corrosion / EISИзвор:
Journal of the Serbian Chemical Society, 2000, 65, 12, 923-933Издавач:
- Serbian Chemical Society, Belgrade
Институција/група
Tehnološko-metalurški fakultetTY - JOUR AU - Mišković-Stanković, Vesna AU - Bajat, Jelena AU - Maksimović, Miodrag D. AU - Kačarević-Popović, Zorica M. PY - 2000 UR - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/339 AB - The electrochemical and transport properties, as well as the thermal stability of epoxy coatings electrodeposited on steel and steel modified by Zn-Ni alloys were investigated during exposure to 3 % NaCl. The Zn-Ni alloys were electrodeposited on steel using direct and pulse current. From the time dependence of the pore resistance of the epoxy coating (impedance measurements), the diffusion coefficient of water through the epoxy coating (gravimetric liquid sorption measurements) and the thermal stability of the epoxy coating (thermogravimetric analysis), it was shown that Zn-Ni sublayers significantly improve the corrosion stability of a protective system based on an epoxy coating. The values of the pore resistance were almost unchanged over a long period of immersion time for epoxy coatings on steel modified by Zn-Ni alloys, inidicating the great stability of these protective systems. . AB - Proučavane su elektrohemijske i transportne karakteristike i termička stabilnost epoksidnih elektroforetskih prevlaka na čeliku i čeliku modifikovanom Zn-Ni legurama tokom delovanja 3 % rastvora NaCl. Legure Zn-Ni su taložene na čeliku konstantnom i pulsirajućom strujom. Na osnovu vremenske zavisnosti otpornosti u porama epoksidne prevlake (impedansna merenja), koeficijenta difuzije vode kroz epoksidnu prevlaku (gravimetrijsko određivanje sorpcionih karakteristika) i njene termičke stabilnosti (termogravimetrijska analiza), pokazano je da Zn-Ni podslojevi značajno povećavaju korozionu stabilnost zaštitnog sistema na bazi epoksidne prevlake. Skoro nepromenjene vrednosti otpornosti u porama tokom dugog perioda delovanja korozionog agensa kod epoksidnih prevlaka na čeliku modifikovanom Zn-Ni legurama ukazuju na veliku stabilnost ovih zaštitnih sistema. . PB - Serbian Chemical Society, Belgrade T2 - Journal of the Serbian Chemical Society T1 - The effect of Zn-Ni sublayers on the corrosion behaviour and thermal stability of epoxy coatings electrodeposited on steel T1 - Uticaj Zn-Ni podslojeva na koroziono ponašanje i termičku stabilnost epoksidnih elektroforetskih prevlaka na čeliku EP - 933 IS - 12 SP - 923 VL - 65 UR - https://hdl.handle.net/21.15107/rcub_vinar_2404 ER -
@article{ author = "Mišković-Stanković, Vesna and Bajat, Jelena and Maksimović, Miodrag D. and Kačarević-Popović, Zorica M.", year = "2000", abstract = "The electrochemical and transport properties, as well as the thermal stability of epoxy coatings electrodeposited on steel and steel modified by Zn-Ni alloys were investigated during exposure to 3 % NaCl. The Zn-Ni alloys were electrodeposited on steel using direct and pulse current. From the time dependence of the pore resistance of the epoxy coating (impedance measurements), the diffusion coefficient of water through the epoxy coating (gravimetric liquid sorption measurements) and the thermal stability of the epoxy coating (thermogravimetric analysis), it was shown that Zn-Ni sublayers significantly improve the corrosion stability of a protective system based on an epoxy coating. The values of the pore resistance were almost unchanged over a long period of immersion time for epoxy coatings on steel modified by Zn-Ni alloys, inidicating the great stability of these protective systems. ., Proučavane su elektrohemijske i transportne karakteristike i termička stabilnost epoksidnih elektroforetskih prevlaka na čeliku i čeliku modifikovanom Zn-Ni legurama tokom delovanja 3 % rastvora NaCl. Legure Zn-Ni su taložene na čeliku konstantnom i pulsirajućom strujom. Na osnovu vremenske zavisnosti otpornosti u porama epoksidne prevlake (impedansna merenja), koeficijenta difuzije vode kroz epoksidnu prevlaku (gravimetrijsko određivanje sorpcionih karakteristika) i njene termičke stabilnosti (termogravimetrijska analiza), pokazano je da Zn-Ni podslojevi značajno povećavaju korozionu stabilnost zaštitnog sistema na bazi epoksidne prevlake. Skoro nepromenjene vrednosti otpornosti u porama tokom dugog perioda delovanja korozionog agensa kod epoksidnih prevlaka na čeliku modifikovanom Zn-Ni legurama ukazuju na veliku stabilnost ovih zaštitnih sistema. .", publisher = "Serbian Chemical Society, Belgrade", journal = "Journal of the Serbian Chemical Society", title = "The effect of Zn-Ni sublayers on the corrosion behaviour and thermal stability of epoxy coatings electrodeposited on steel, Uticaj Zn-Ni podslojeva na koroziono ponašanje i termičku stabilnost epoksidnih elektroforetskih prevlaka na čeliku", pages = "933-923", number = "12", volume = "65", url = "https://hdl.handle.net/21.15107/rcub_vinar_2404" }
Mišković-Stanković, V., Bajat, J., Maksimović, M. D.,& Kačarević-Popović, Z. M.. (2000). The effect of Zn-Ni sublayers on the corrosion behaviour and thermal stability of epoxy coatings electrodeposited on steel. in Journal of the Serbian Chemical Society Serbian Chemical Society, Belgrade., 65(12), 923-933. https://hdl.handle.net/21.15107/rcub_vinar_2404
Mišković-Stanković V, Bajat J, Maksimović MD, Kačarević-Popović ZM. The effect of Zn-Ni sublayers on the corrosion behaviour and thermal stability of epoxy coatings electrodeposited on steel. in Journal of the Serbian Chemical Society. 2000;65(12):923-933. https://hdl.handle.net/21.15107/rcub_vinar_2404 .
Mišković-Stanković, Vesna, Bajat, Jelena, Maksimović, Miodrag D., Kačarević-Popović, Zorica M., "The effect of Zn-Ni sublayers on the corrosion behaviour and thermal stability of epoxy coatings electrodeposited on steel" in Journal of the Serbian Chemical Society, 65, no. 12 (2000):923-933, https://hdl.handle.net/21.15107/rcub_vinar_2404 .