Effect of Tin on the corrosion of Mg-5Al based alloy in 3.5 wt.% NaCl Solution : Table 2

Table 2: Critical parameters from potentiodynamic polarization curves for Mg-5Al-xSn alloys in 3.5 wt.% NaCl as a function of Sn addition.

Sample	E_corr (V_SCE)	i_corr (μA/cm²)	β_a (V/decade)	-β_c (V/decade)
#1	-1.534	367.04	0.048	0.197
	-1.546	370.90	0.025	0.172
	-1.540	366.22	0.023	0.161
Average	-1.540	329.17
#2	-1.547	96.78	0.018	0.144
	-1.571	99.46	0.030	0.172
	-1.566	99.23	0.029	0.169
Average	-1.561	98.49
#3	-1.544	96.21	0.033	0.188
	-1.553	95.97	0.031	0.169
	-1.548	95.17	0.030	0.152
Average	-1.548	95.78
#4	-1.563	68.99	0.018	0.141
	-1.565	74.68	0.019	0.171
	-1.563	70.69	0.018	0.165
Average	-1.564	71.45
#5	-1.568	102.30	0.021	0.138
	-1.557	137.40	0.020	0.139
	-1.561	122.34	0.022	0.141
Average	-1.562	120.68