Abstract
In this paper are presents the implementation of protective coating Hetron 197-3 polyester type of corrosion protection of aluminum alloy 2024-T3, which is used in battery compartment manufacturing of T-41 Aircraft. The coatings were exposed to 0 and 2000 hours in neutral salt fog exposure. The compared the degree of deterioration in protection systems based synthetic resin and polyester. The morphology surface analysis was made using Scanning Electron Microscopy (SEM) to observe the damage generated by exposure to aggressive media. The electrochemical characterization of the coatings was performed through Electrochemical Impedance Spectroscopy (EIS) and Tafel polarization curves, polarization curves and Nyquist plots indicates that antacid polyester resin coating has the lowest value of current and corrosion rate with the system traditionally used in the aviation industry (Plating Process (Alclad), Conversion Coatings for Aluminum Alloys, chemical oxidation).
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