Corrosion Behaviour of AZ and ZA Magnesium Alloys in Alkaline Chloride Media

Table 1

Chemical composition (wt%)* of the magnesium alloys used.

Alloy	Al	Zn	Ca	Sr	Mn	Si	Fe	Cu	Ni	Mg
AZ91D	9.00	0.67	—	—	0.33	0.010	0.005	0.030	0.002	Bal.
AZ91E	8.70	0.70	—	—	0.26	0.200	0.005	0.015	0.001	Bal.
ZA104	3.69	9.73	—	—	0.25	0.015	0.030	<0.001	0.001	Bal.
ZAC10403	3.78	10.5	0.31	—	0.03	0.001	0.003	<0.001	0.002	Bal.
ZACS1040305	4.12	11.7	0.31	0.54	0.35	18 ppm	189 ppm	2 ppm	2 ppm	Bal.

∗Throughout the text, the percentage of elements and solution concentration is expressed in weight percent.