Effect of heat treatment on the corrosion resistance of modified aluminum-magnesium alloys in seawater |
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Authors: | Z Ahmad A Aleem |
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Affiliation: | (1) Department of mechanical engineering, King Fand’ University of Petroleum and Minerals, 31261 Dhahran, Saudi Arabia |
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Abstract: | Study of modified Al-2.5Mg alloys containing chromium, silica, iron, and manganese in various tempers (O, H-18, T-4, T-6,
T-18, and H-34) has shown that their corrosion resistance is significantly altered by thermomechanical treatment and the beneficial
effect of chromium on microstructural changes. Modified binary Al-2.5Mg alloys in the T-6 and T-4 tempers exhibit a higher
resistance to corrosion in Arabian Gulf water than H-34 tempers due to the beneficial effect of chromium on microstructural
changes. |
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Keywords: | Annealing Corrosion resistance Grain boundary attack Pitting Polarization Solution treatment Strain hardening |
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