Table 5. Bio-corrosion properties of magnesium-based alloys.

Alloy	Condition	In vitro corrosion rate (mm/year)	In vivo corrosion rate (mm/year)	Reference
Mg-0.8Ca	As-extruded	-	0.5	115
Mg-1Ca	As-cast	-	1.27	103
Mg-1Al	As-cast	2.07	-	38
Mg-1Zn	As-cast	1.52	-	38
Mg-1Zn	As-rolled	0.92	-	38
Mg-1Zr	As-cast	2.2	-	38
Mg-1Zr	As-rolled	0.91	-	38
Mg-1Sn	As-cast	2.45	-	38
Mg-2Sr	As-rolled	0.37	1.01	116
Mg-3Zn	Solution treated	1.53	-	100
Mg-6Zn	As-extruded	0.07	2.32	117
Mg-8Y	As-cast	2.17	-	99
AZ31	As-cast	2	1.17	39
AZ31	As-extruded	0.21	-	94
AZ61	As-cast	0.73	-	108
AZ91D	As-cast	2.8	1.38	109
WE43	As-cast	0.26	1.56	39, 94
Mg-1.2Mn-1Zn	As-cast	-	0.45	36
Mg-1Zn-1Ca	As-cast	2.13	-	110
Mg-3Zn-0.3Ca	Solution treated	0.81	-	111
Mg-6Zn-1Ca	As-cast	9.21	-	110
Mg-4Zn-0.5Ca-0.4Mn	As-cast	0.25	-	112
Mg-3.09Nd-0.22Zn-0.44Zr	As-extruded	0.13	-	94
Mg-2Zn-1.53Y	As-extruded	0.7	-	113
Mg-11.3Gd-2.5Zn-0.7Zr	As-extruded	0.17	-	114