Atmospheric Corrosion Behavior of 2A12 Aluminum Alloy in a Tropical Marine Environment

Table 3

Element contents of corrosion products marked in Figure 4 determined by EDS.

Point	Chemical composition (wt.%)
	O	Al	Mg	Na	Cl	Ca
a	67.21	27.84	1.21	0.98	1.16	1.60
b	22.73	75.35	1.92	—	—	—
c	65.49	34.51	—	—	—	—
d	64.23	34.71	1.07	—	—	—