Table 1.

Oxidation kinetics parameters 400 °C for 2 h fitted to the parabolic for pure Mg, uP-Mg-xCa alloys and P-Mg-xCa alloys in Ar atmosphere.

Alloys	Oxidation Kinetics	Parameters	R 2
Pure Mg	parabolic	KP = 0.029	0.96
uP-Mg-1Ca	parabolic	KP = 2.52 × 10−4	0.92
uP-Mg-3Ca	parabolic	KP = 3.19 × 10−4	0.93
uP-Mg-5Ca	parabolic	KP = 4.84 × 10−4	0.96
P-Mg-3Ca	parabolic	KP = 1.33 × 10−6	0.87
P-Mg-5Ca	parabolic	KP = 1.15 × 10−5	0.86