Research Article

Porous Layer Characterization of Anodized and Black-Anodized Aluminium by Electrochemical Studies

Figure 5

Bode-modulus plots showing variation of (a) hydrothermal sealing against unsealed samples and (b) autosealing/ageing of unsealed samples after 6 months of atmospheric exposure. “S” and “US” indicate “sealed”, and “unsealed”, respectively.
323676.fig.005a
(a)
323676.fig.005b
(b)