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

Table 3

Corrosion experiment values and their corresponding S/N ratios.

Run	Acidic solution	Immersion time (hours)	Reinforcement (Wt. %)	Corrosion rate (mm/year)	S/N ratio (dB)
1	HCl	30	0	11.66	−21.33
2	HCl	56	10	12.13	−21.67
3	HCl	80	20	14.01	−22.92
4	HNO3	30	10	9.91	−19.91
5	HNO3	56	20	11.24	−21.01
6	HNO3	80	0	7.15	−17.08
7	H2SO4	30	20	11.46	−21.18
8	H2SO4	56	0	4.83	−13.67
9	H2SO4	80	10	12.34	−21.82