Investigating the Microstructure, Tensile Strength, and Acidic Corrosion Behaviour of Liquid Metal Stir Casted Aluminium-Silicon Carbide Composite

Table 5

ANOVA for corrosion rate.

Corrosion parameters	Degree of freedom	Sum of squares	Mean sum of squares	F value	value	Percentage of contribution
Acidic solution	2	19.389	9.694	2.63	0.275	29.88
Immersion time	2	5.745	2.873	0.78	0.562	8.85
Wt. % of reinforcement	2	32.352	16.176	4.40	0.185	49.86
Error	2	7.388	3.694			11.38
Total	8	64.874
R-sq. = 88.64%