Abstract
The surface morphology, cell geometry, and electrochemical response of porous anodic films of comparable thickness, generated on AA2024‐T3 in sulphuric acid electrolyte under hard and soft anodizing conditions, were studied to disclose the impact of the anodizing parameters on corrosion behaviour. Localised oxide growth associated with a transition from sponge-like morphology to linear cells was observed with increasing current density and/or reducing electrolyte temperature. The anticorrosion performance of films with the higher barrier layer thickness was inferior due to the defective surface induced by localised oxide growth at high currents or low temperatures. Viceversa, the films displaying sponge-like morphology performed better due to the beneficial effect of inter-cell porosity in facilitating the self-sealing process.
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
