Heat Treatment Effect in the Corrosion Resistance of the Al-Co-Mn Alloys Immersed in 3 M KOH

Table 4

Impedance parameters obtained through the equivalent circuit for aluminum-based alloy doped with Mn and Co after heat treatment at 1100°C heat treatment immersed in 3 M KOH.

Sample	(Ω·cm^2)	(F·cm^2)		(Ω·cm^2)	(F·cm^2)		(Ω·cm^2)	(Ω·cm^2)
M1	6.2		0.7			0.9
M2	8.0		0.5	8.4		0.8
M3	31.3		0.7			0.6
M4	3.9		0.9	6.04		0.9
M5	87.8		0.8			0.7