Corrosion Behavior of A356-10 Vol.% SiC Composites Cast by Gravity and Squeeze Casting in H₂SO₄ Solutions

Table 3

Results of Tafel polarization studies for the corrosion behavior of A356-10 vol.% SiC composites cast by gravity and squeeze casting in H₂SO₄ solutions.

H2SO4 solutions	Casting type	𝐸corr (V)	𝑖corr (A cm^−2)
0.05 M	Gravity	−0.615	4.5 × 10^−5
	Squeeze	−0.645	2.1 × 10^−5
0.10 M	Gravity	−0.550	7.1 × 10^−5
	Squeeze	−0.560	2.8 × 10^−5
0.50 M	Gravity	−0.565	1.2 × 10^−4
	Squeeze	−0.570	3.9 × 10^−5