Fig. 27

Scheme of the hybrid film (a) and GDOES composition profile (wt% weight composition vs. sputtering time) for AA2024-T3 coated with a hybrid sol–gel coating inhibited with cerium nitrate (b) (Reprinted from Prog Org Coatings, 72, Andreatta F, Paussa L, Lanzutti A, Rosero Navarro NC, Aparicio M, Castro Y, et al., Development and industrial scale-up of ZrO2 coatings and hybrid organic-inorganic coatings used as pre-treatments before painting aluminium alloys, 3–14, Copyright (2011), with permission from Elsevier)