Fig. 9: Surface morphology after anodic polarization of solution-treated and aged samples.

BSE-SEM images of the solution-treated sample (a) and samples aged at 800 °C for 0.5 h (b), 6 h (c), 48 h (d), 72 h (e), and 500 h (f).

BSE-SEM images of the solution-treated sample (a) and samples aged at 800 °C for 0.5 h (b), 6 h (c), 48 h (d), 72 h (e), and 500 h (f).