Fe and Fe-P Foam for Biodegradable Bone Replacement Material: Morphology, Corrosion Behaviour, and Mechanical Properties

Table 2

The average values for the corrosion potentials (), corrosion current densities (), and the corrosion rate (CR) obtained from the potentiodynamic polarization curves in Hank’s solution (pH 7.4) and 0.9% NaCl (pH 5.9) at 37 ± 1°C.

Material	ECORR [mV]		[µA/cm^2]		CR [mm/y]
	Hank’s	NaCl	Hank’s	NaCl	Hank’s	NaCl
Fe	−705	−781	87.8	232.6	0.44	1.01
Fe-P(I)	−596	−774	70.5	97.3	0.27	0.57
Fe-P(II)	−714	−727	84.4	199.9	0.38	0.88