Corrosion Protection of AA7075 Aluminium Alloy by Trimethoxy-Silanes Self-Assembled Monolayers

Figure 2

Photographs (no magnification) and SEM (500x magnification) images of the AA7075 samples submitted to different surface modifications, after the polarization: (a) bare surface, (b) modified with PTMS coating, (c) modified with ODTMS coating. The black circle shows the area exposed to the corrosion media (1.13 cm²).

(a)

(b)

(c)