Research Article
Corrosion Behaviour of Heat-Treated Aluminum-Magnesium Alloy in Chloride and EXCO Environments
Table 4
Gravimetric corrosion rate (mm/yr) for the 1.23% Mg specimen.
| Days | NaCl solution | FeCl3 | EXCO Solution | As-cast | RRA | As-cast | RRA | As-cast | RRA |
| 0 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 0.000 | 7 | 0.000 | 0.000 | 1.542 | 0.771 | 0.000 | 0.385 | 14 | 0.000 | 0.000 | 1.156 | 0.771 | 0.385 | 0.385 | 21 | 0.128 | 0.000 | 1.028 | 0.514 | 0.514 | 0.514 | 28 | 0.096 | 0.000 | 0.963 | 0.482 | 0.482 | 0.482 | 35 | 0.154 | 0.000 | 0.848 | 0.463 | 0.540 | 0.463 | 42 | 0.129 | 0.064 | 0.772 | 0.450 | 0.515 | 0.386 |
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