An Investigation on Effects by Adding Cerium and Lithium on Mechanical and Metallurgical Properties of AZ91D + XCe + XLi Cast Mg Alloy

Table 2

Corrosion Rates for different experimental alloys.

Experimental alloys	Weight loss (g)	Density (gm/cc)	K Factor	Area (cm^2)	^∗TOE (h)	Corrosion rate (mm/year)
AZ91D + 0 wt.%Li + 0wt.%Ce	0.201	1.777	8.76 × 10^4	7.8	72	17.64353635
AZ91D + 0.5wt.%Li + 0.5wt.%Ce	0.004	1.7664	8.76 × 10^4	5.7	72	0.48335664
AZ91D + 0.5wt.%Li + 1.0wt.%Ce	0.068	1.7762	8.76 × 10^4	6.3	72	7.393466463
AZ91D + 0.5wt.%Li + 2.0wt.%Ce	0.096	1.7764	8.76 × 10^4	3.66	72	17.96474235
AZ91D + 1.0wt.%Li + 0.5wt.%Ce	0.201	1.781	8.76 × 10^4	7.81	72	17.58137
AZ91D + 1.0wt.%Li + 1.0wt.%Ce	0.003	1.7824	8.76 × 10^4	5.17	72	0.396092982
AZ91D + 1.0wt.%Li + 2.0wt.%Ce	0.011	1.7832	8.76 × 10^4	6.13	72	1.224344867
AZ91D + 2.0wt.%Li + 0.5wt.%Ce	0.016	1.7864	8.76 × 10^4	3.62	72	3.010262107
AZ91D + 2.0wt.%Li + 1.0wt.%Ce	0.02	1.787	8.76 × 10^4	6.31	72	2.157981383
AZ91D + 2.0wt.%Li + 2.0wt.%Ce	0.024	1.7884	8.76 × 10^4	3.56	72	4.586360541

^∗TOE: time of exposure.