Coating Technique (coating´s thickness) Polarizations currents and voltages Bare metal    Bioactive coatings after inmersion in SBF    7 days              40 days 1. Pneumatic spray (47.7 ± 8,7 µm) ipass (A/cm2) Ecorr (V) 1,16x10-2 -0,18 1,81 x10-8 -0,21 1,67 x 10-8 -0,17 2. Inmersion-extraction (1.10 ± 0.10 μm) [21] ipass (A/cm2) Ecorr (V) 2x10-2 -0,15 7,2x10-5 -0,15 2,2x10-5 -0,27

Table 1: Main results of polarization curves of coatings obtained through pneumatic spray and immersion-extraction