Research Article
Electrochemical Investigation of Corrosion Behavior Heat Treated Al-6Si-0.5Mg-xCu (x = 0, 0.5, 1, 2, and 4 wt%) Alloys
Table 2
Potentiodynamic polarization test results.
| Alloy code | (A/cm2) | (mV) | (mV) | Corrosion rate (mpy) |
| Alloy-1 | 6.300 | −764 | −480 | 5.287 | Alloy-2 | 5.640 | −657 | −408 | 4.732 | Alloy-3 | 2.950 | −697 | −370 | 2.474 | Alloy-4 | 20.30 | −586 | −353 | 17.050 | Alloy-5 | 16.30 | −583 | −340 | 13.650 |
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