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Study the Effect of Magnesium Addition on Microstructure , Electrical Conductivity and some Mechanical Properties of Pure Aluminum | ||
| Journal of University of Babylon | ||
| Article 1, Volume 25, Issue 1, 2017, Pages 251-260 | ||
| Author | ||
| Nagham Yass Khudair | ||
| Abstract | ||
| In this research study the effect of addition of magnesium on the mechanical properties (Hardness , yield strength , Ultimate stress) for pure aluminum and also microstructure , density , in addition to the electrical conductivity . three alloys were prepared by change ratios add magnesium ( 5% , 10%,15% ). The results showed that the increase proportion of the magnesium added to pure aluminum caused an increase in the yield stress and improving ratio reach to 78.46% ,an increase in ultimate stress and improving ratio reach to76.92% at ratio(15% ), and an increase in the hardness to value (91.9 Hv) and improving ratio reach to 90.78% at ratio (15 %) while the decrease in electrical conductivity to the value of (0.596 *106 -1 .m-1 ) while there is a decrease in the density to (2.371 g/cm3 ) when the ratio of magnesium added to the pure aluminum increases. A change in microstructure and regular distribution of magnesium on the boundary of crystalline for alloys , has also been noticed | ||
| Keywords | ||
| Aluminum alloy Magnesium; Mechanical properties; Electrical conductivity | ||
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