Print Email Facebook Twitter The effect of time evolution and timing of the electrochemical data recording of corrosion inhibitor protection of hot-dip galvanized steel Title The effect of time evolution and timing of the electrochemical data recording of corrosion inhibitor protection of hot-dip galvanized steel Author Meeusen, M. (TU Delft (OLD) MSE-6) Zardet, L. (Università degli Studi di Udine) Homborg, A.M. (Netherlands Defence Academy) Lekka, M. (Università degli Studi di Udine) Andreatta, F (Università degli Studi di Udine) Fedrizzi, L. (Università degli Studi di Udine) Boelen, B (Tata Steel Europe Limited) Mol, J.M.C. (TU Delft (OLD) MSE-6) Terryn, H.A. (TU Delft (OLD) MSE-6; Vrije Universiteit Brussel) Date 2020 Abstract In previous work, the importance of taking the time-domain into account when studying corrosion inhibitor-containing electrochemical systems was highlighted. In this work, odd random phase electrochemical impedance spectroscopy (ORP-EIS) is applied as the electrochemical tool to study the time-effect by the evaluation of the non-stationarities per frequency decade over time for the screening of different silica- and phosphate- based corrosion inhibitors for hot-dip galvanized steel and possible corrosion inhibitor synergism. This serves as the basis for the interpretation of the results obtained from different macroscopic electrochemical techniques such as potentiodynamic polarization (PP), open circuit potential (OCP) with superimposed linear polarization resistance (LPR), electrochemical impedance spectroscopy (EIS) and electrochemical noise (EN) measurements. The analysis of the time-domain shows that all systems have a system-specific ‘stabilization’ time which affects the interpretation of the results obtained from the macroscopic electrochemical techniques. Furthermore, these results indicate that all corrosion inhibitors tested exhibit corrosion protective action and that the combination of both silica-based corrosion inhibitors show synergistic action on hot-dip galvanized steel. Subject Corrosion inhibitorElectrochemistryMethodologyORP-EIS To reference this document use: http://resolver.tudelft.nl/uuid:922b0590-f52e-4a45-8eb9-784417f98ec6 DOI https://doi.org/10.1016/j.corsci.2020.108780 ISSN 0010-938X Source Corrosion Science: the journal on environmental degradation of materials and its control, 173 Part of collection Institutional Repository Document type journal article Rights © 2020 M. Meeusen, L. Zardet, A.M. Homborg, M. Lekka, F Andreatta, L. Fedrizzi, B Boelen, J.M.C. Mol, H.A. Terryn Files PDF 1_s2.0_S0010938X20301141_main.pdf 20.35 MB Close viewer /islandora/object/uuid:922b0590-f52e-4a45-8eb9-784417f98ec6/datastream/OBJ/view