Fig. 9: Corrosion analysis using SEM imaging of 0.6 M NaCl-induced pitting (after PPC) on.

a Non-textured surface and dimple-patterned surfaces with texture densities of b 25%, c 50%, d 75%, and e 91%. Surface degradation on non-textured and textured areas: a1–e1 low magnification overview, a2–e2 high magnification of the red-boxed area, and a3–e3 high magnification of the green-boxed area.