Table 3.

Determined values of corrosion potentials, corrosion density and slopes of the cathodic and anodic curves and efficiency for all tested samples.

Sample	Corrosion results
	Ecorr (V)	jcorr (nA/cm2)	βa	βc	Efficiency
Ref	-0.263 ± 0.001	125 ± 6	5.25 × 101 ± 0.001	1.49 × 10–1 ± 0.001	-
MAO5	-0.208 ± 0.001	126 ± 11	1.03 × 101 ± 0.001	8.65 × 10–2 ± 0.001	0.79
MAO7	-0.216 ± 0.001	451 ± 47	2.27 × 10–1 ± 0.001	4.99 × 10–2 ± 0.001	72.28%
MAO10	-0.117 ± 0.001	241 ± 38	7.30 × 10–1 ± 0.001	6.78 × 10–2 ± 0.001	48.13%
MAO5_EPD	-0.135 ± 0.001	594 ± 73	4.88 × 10–1 ± 0.001	3.18 × 10–1 ± 0.001	78.96%
MAO7_EPD	-0.168 ± 0.001	147 ± 9	4.29 × 10–1 ± 0.001	1.43 × 10–1 ± 0.001	14.97%
MAO10_EPD	-0.012 ± 0.001	204 ± 29	2.62 × 10–1 ± 0.001	2.94 × 10–1 ± 0.001	38.73%