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 1
Impedance test results.
| | Alloy code | Alloy compositions |
() |
(k) |
(F) | OCP (V/SEC) |
| | Alloy-1 | Al-6Si-0.5Mg | 40.37 | 15.57 | 1.259 | −0.8454 | | Alloy-2 | Al-6Si-0.5Mg-0.5Cu | 43.93 | 25.75 | 1.793 | −0.7037 | | Alloy-3 | Al-6Si-0.5Mg-Cu | 44.08 | 27.13 | 3.219 | −0.6534 | | Alloy-4 | Al-6Si-0.5Mg-2Cu | 50.93 | 28.33 | 2.012 | −0.6574 | | Alloy-5 | Al-6Si-0.5Mg-4Cu | 47.97 | 6.435 | 2.942 | −0.6263 |
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