International Journal of Corrosion / 2012 / Article / Tab 2

Research Article

Deposition of Cerium-Based Conversion Coatings on Aluminum Alloy 380

Table 2

Electrochemical parameters derived from potentiodynamic polarization measurements and impedance spectra.

Immersion time (min)Corrosion parameters
𝑅 𝑝 (kΩ ·cm2) 𝐼 c o r r (μA/cm2) 𝐸 c o r r (mVSCE)
25°C100°C25°C100°C25°C100°C

2 32 36 0.82 0.73 −540 −480
5 16 49 1.60 0.54 −550 −480
8 10 76 2.70 0.34 −510 −540

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