Fig. 11: Circular backscatter electron (CBS) SEM image of the scribe made at the polyacrylic/siloxane-silica-coated AlSi7Mg0.3 sample taken after two days of exposure in the salt spray chamber.

The squares x16, x17, and x18 indicate the area where the EDS analysis was performed with compositions in atomic percentages (at.%). SEM/EDS analyses were conducted at 10 kV.