Aluminum composite powder as an additive in epoxy coatings for enhancement of corrosion protection of carbon steel

Electrochemical impedance spectroscopy (EIS) and potentiometric polarization (Tafel) tests were utilized to investigate the corrosion protection efficiency of epoxy (EP) composite coatings reinforced with aluminum powder additives deposited on carbon steel substrate. Different aluminum powders including pure aluminum (Al) and aluminum composites powders containing alumina (Al2O3) and carbon nanotubes (CNTs) were used as an additive filler. Various aluminum composite powders containing 2 wt.