Corrosion Behaviour of Heat-Treated Aluminum-Magnesium Alloy in Chloride and EXCO Environments

Table 2

Gravimetric corrosion rate (mm/yr) for the 0.42% Mg specimen.

Days	NaCl solution		FeCl3		EXCO solution
	As-cast	RRA	As-cast	RRA	As-cast	RRA
0	0	0	0	0	0	0
7	0	0	0.385	0	0.381	0.385
14	0	0	0.385	0.193	0.578	0.193
21	0	0	0.385	0.128	0.514	0.257
28	0.096	0	0.289	0.193	0.578	0.385
35	0.077	0	0.308	0.231	0.617	0.385
42	0.128	0.064	0.321	0.193	0.578	0.385