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Effect of Different Media on the Corrosion Behavior and Some Mechanical Properties of Al-Zn-Mg Alloy | ||
| Engineering and Technology Journal | ||
| Article 1, Volume 28, Issue 3, 2010, Pages 525-536 PDF (487.33 K) | ||
| DOI: 10.30684/etj.28.3.11 | ||
| Author | ||
| Majid Hameed Abdulmageed | ||
| Abstract | ||
| This work investigates the effect of different media (0.1N of NaOH, H2SO4 and NaCl solution) on the polarization behavior of Al-Zn-Mg alloy and calculates some of the corrosion parameters such as corrosion potential (Ecorr) and current density (icorr), cathodic and anodic Tafel slopes (bc & ba), and the polarization resistance (Rp) . The results of the polarization resistance indicates that Al-Zn-Mg alloy have resistance in slat solution higher than that observed in acidic and basic solution respectively . Also some of the mechanical properties like the hardness and wear were measured. The results for hardness showed that the untreated alloy in the experimental solutions had higher hardness than those which are treated in salt, acidic , and basic solutions respectively . While the results for the rate of wear at different sliding speeds showed that the rate of wear for the samples that treated in basic solution higher than those for samples which are treated in the acidic and salt solutions . Also the same results were get when measure the rate of wear with different applying loads. | ||
| Keywords | ||
| Corrosion of Al; Mg alloy; Hardness; wear | ||
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