Research Article
Heat Treatment Effect in the Corrosion Resistance of the Al-Co-Mn Alloys Immersed in 3 M KOH
Table 5
Parameters obtained from polarization curves for aluminum-based alloy doped with Mn and Co as cast and after heat treatments at 600 and 1100°C.
| | Sample | | M1 | M2 | M3 | M4 | M5 |
| | As cast | | (V) | -1.09 | -1.06 | -1.10 | -1.07 | -1.09 | | (mA/cm2) | | | | | | | (V) | -0.31 | -0.36 | -0.17 | -0.35 | -0.19 | | (mA/cm2) | | | | | | | (V) | -0.86 | -0.74 | -0.95 | -0.89 | -0.85 | | (mA/cm2) | | | | | | | 600 °C | | (V) | -0.70 | -1.08 | -1.07 | -1.09 | -1.10 | | (mA/cm2) | | | | | | | (V) | -0.06 | -0.34 | -0.18 | -0.33 | -0.15 | | (mA/cm2) | | | | | | | (V) | -0.63 | -0.82 | -0.95 | -0.85 | -0.96 | | (mA/cm2) | | | | | | | 1100°C | | (V) | -1.07 | -1.07 | -1.20 | -1.09 | -1.05 | | (mA/cm2) | | | | | | | (V) | -0.15 | -0.17 | -0.24 | -0.23 | -0.17 | | (mA/cm2) | | | | | | | (V) | -0.84 | -0.80 | -0.96 | -0.86 | -0.84 | | (mA/cm2) | | | | | |
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