Abstract
The filiform corrosion mechanism on acrylic-coated steel is investigated through potentiodynamic curves collecting anodic and cathodic branches in two different electrolytes simulating the liquid environments at the metal-paint interface. Zero resistance amperometry was chosen as an additional tool to achieve numerical results. The potential difference and the current density between the anodic and cathodic portions of the filament tip were estimated using a simplified setup. The role of oxygen availability on the corrosion mechanisms was also investigated by modifying the amount of dissolved oxygen in the simulating electrolytes and the humidostatic chamber employed for FFC propagation.
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