Evaluation of Corrosion Behavior of Galvanized Steel Treated with Conventional Conversion Coatings and a Chromate-Free Organic Inhibitor

Figure 9

Aspects of the surface conditions of the galvanized steel after 168 h in the saline fog chamber: (a) untreated, (b) inhibitor 5%, (c) phosphated, (d) chromated. The whitish aspect of the first three samples is due to the zinc corrosion products.