Protective Cerium-Based Layered Double Hydroxides Thin Films Developed on Anodized AA6082

Figure 7

Impedance modulus plots. LDH (a) and LDH-H (b) for various immersion times: (A) 1 h, (B) 24 h, (C) 72 h, (D)120 h, and (E) 168 h.

(a)

(b)