Surface Activation and Pretreatments for Biocompatible Metals and Alloys Used in Biomedical Applications

Table 4

The polarization resistance (), corrosion potential (), and corrosion current density () of the AZ31, TA/AZ31, HA/AZ31, and TA/HA/AZ31 samples in SBF at 37°C [68].

Samples	(V)	(A/cm^2)	(Ω cm^2)
AZ31	-1.462 ± 0.006	(4.8978 ± 0.2455) x 10^−6	6203
TA/AZ31	-1.416 ± 0.011	(3.7334 ± 0.3461) x 10^−6	25,634
HA/AZ31	-1.391 ± 0.007	(3.9337 ± 0.2465) x 10^−7	- - - - -
TA/HA/AZ31	-1.304 ± 0.006	(5.6494 ± 0.3187) x 10^−8	63,637