Print Email Facebook Twitter The Effect of Ambient Ageing on the Corrosion Protective Properties of a Lithium-Based Conversion Layer Title The Effect of Ambient Ageing on the Corrosion Protective Properties of a Lithium-Based Conversion Layer Author Li, Z. (TU Delft Team Arjan Mol) Homborg, A.M. (TU Delft Team Arjan Mol; Netherlands Defence Academy) Gonzalez Garcia, Y. (TU Delft Team Yaiza Gonzalez Garcia) Visser, Peter (Akzo Nobel) Soleimani, M. (TU Delft Team Peyman Taheri) Mol, J.M.C. (TU Delft Team Arjan Mol) Date 2023 Abstract The influence of ageing under ambient conditions on the corrosion protective behaviour of a lithium-based conversion layer on AA2024-T3 is studied in this work. Conversion layers aged at ambient conditions for relatively short times (0 h and 4 h), show an initial high degree of corrosion inhibition but a much lower protectiveness after the inhibition stage terminates. Conversion layers with relatively long ageing times (24 h and 72 h) show a rather stable corrosion resistance which is higher than that of short-time aged samples. It is hypothesized that the freshly-formed conversion layer has trapped a certain amount of lithium ions and water molecules, leading to ongoing and heterogeneous growth of the conversion layer with time under ambient indoor conditions. Moreover, conversion layers with short ageing times show early-stage active corrosion protection by lithium-ion release. Subject ageingAluminium alloycorrosion inhibitionelectrochemical noiselithium-based conversion layer To reference this document use: http://resolver.tudelft.nl/uuid:32cd474b-0c23-4667-bef1-fad322e45b59 DOI https://doi.org/10.1149/1945-7111/acc1a6 Embargo date 2023-09-17 ISSN 0013-4651 Source Electrochemical Society. Journal, 170 (3) Bibliographical note Green Open Access added to TU Delft Institutional Repository 'You share, we take care!' - Taverne project https://www.openaccess.nl/en/you-share-we-take-care Otherwise as indicated in the copyright section: the publisher is the copyright holder of this work and the author uses the Dutch legislation to make this work public. Part of collection Institutional Repository Document type journal article Rights © 2023 Z. Li, A.M. Homborg, Y. Gonzalez Garcia, Peter Visser, M. Soleimani, J.M.C. Mol Files PDF Li_2023_J._Electrochem._S ... 031504.pdf 2.75 MB Close viewer /islandora/object/uuid:32cd474b-0c23-4667-bef1-fad322e45b59/datastream/OBJ/view