Electrochemical Characterization of a New Biodegradable FeMnSi Alloy Coated with Hydroxyapatite-Zirconia by PLD Technique

Table 3

Electrochemical parameters obtained from EIS spectra using the selected EC for the (HA-ZrO₂) coated FeMnSi alloy after different immersion time in HBSS, at 37°C.

Time	Q1 (µS cm^−2 s^n)	n1	R1 (k cm^2)	Q2 (µS cm^−2 s^n)		R2 (k cm^2)
1 hour	330	0.80	0.5	39	0.81	4.7
1 day	370	0.80	0.4	44	0.81	3.8
7 days	430	0.79	0.2	51	0.80	2.5