Electrochemical parameters for the pure Al and the Al-α alloy in H2SO4, 0.1 mol/l aerated and at 24 °C.

Table 2: Electrochemical parameters for the pure Al and the Al-α alloy in H₂SO₄, 0.1 mol/l aerated and at 24 ℃.

Parameters	E_corr (V)	R_p (k Ω.cm²)	β_a (V/dec)	β_c (V/dec)	I_corr (A/cm²)	CR (mm/year)
Pure Al	-0.005	0.454	0.1436	0.1059	7.9 × 10^-2	0.086
Al-α alloy	-0.106	0.116	0.2765	0.0302	10.19 × 10^-2	0.143