Table 2.

Corrosion values for AS and PF Co–Cr–Mo alloys (SBF, 37 °C)

Alloy	Ecorr (mV, Ag/AgCl)	Eb (mV, Ag/AgCl)	icorr (mA/cm2)	ip (mA/cm2)	rcorr (mm/y)	Pit
AS	− 191 ± 31	514 ± 31	3.1 × 10–4 ± 0.8 × 10–4	8 × 10–4 ± 2 × 10–4	0.0030 ± 0.0008	No (8/10)
PF	− 190 ± 39	487 ± 23	2.1 × 10–4 ± 0.6 × 10–4	7 × 10–4 ± 1 × 10–4	0.0021 ± 0.0006	No (7/10)

E_corr corrosion potential, E_b breakdown potential, i_corr corrosion current density, i_p passive current density and r_corr corrosion rate