A Comparative Electrochemical Study of AZ31 and AZ91 Magnesium Alloy

Table 1

Chemical composition (mass %) of AZ31 and AZ91 magnesium alloys.

Alloy	Mg	Al	Zn	Mn	Si	Cu	Ni	Fe
AZ31	Bal.	3.0	1.0	0.43	0.01	<0.01	<0.001	0.003
AZ91	Bal.	9.0	0.7	0.24	0.04	0.005	<0.001	0.002