EIS investigation of the behaviour in 0.1M sodium chloride solution of a double layer cerium-silane pre-treatment on Al 2024-T3 - Morales Palomino, Luis Enrique; Aquino, I. P.; Aoki, Idalina Vieira; Melo, Hercílio Gomes de (Innovative pre-treatment techniques to prevent corrosion of metallic surfaces, 2007)