Simulation of the Relaxation Potential Profile of an ac-dc-ac Test

Table 2

Parameter values for the expression that was regressed to the simulated relaxation potential profile of coatings. The bulk conditions were 0.01 M NaCl, pH 9, and 10⁻¹⁵ M Al³⁺, and the applied potential was −1.9 V.

Coating	𝑌	𝐴1	𝜏1/s	𝐴2	𝜏2/s	𝑅^2
0.1 mm	1.227±0.002	−0.270±0.005	223±5	−0.996±0.001	25900±100	0.999
0.2 mm	1.198±0.003	−0.334±0.003	900±12	−0.900±0.002	25500±160	0.999