Research Article

One-Step Anodization/Sol-Gel Deposition of -Doped Silica-Zirconia Self-Healing Coating on Aluminum

Table 1

fit data for the results obtained from potentiodynamic polarization measurements.

Sample (Volts) (Amp/cm2) (Ohms/cm2)

Bare Al-1 h−0.80664.1044069.4
Bare Al-24 h−1.05915.84916460
ED-1 h−1.4095.24749714
ED-24 h−1.3772.5131.038 5