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Improving of some Mechanical properties , Microstructure and Electrical Conductivity of Pure Aluminum by adding Zinc | ||
| Journal of University of Babylon | ||
| Article 1, Volume 25, Issue 1, 2017, Pages 119-128 | ||
| Author | ||
| Sundus Abbas Jasim | ||
| Abstract | ||
| In this research study the effect of addition of zinc on the mechanical properties (Hardness , yield strength , Ultimate stress) for pure aluminum and also microstructure , density , addition to the electrical conductivity , three alloys were prepared by change ratios add zinc ( 10% , 20% , 30% ). The results showed that increased proportion of zinc added to pure aluminum caused an increase in the yield stress and improving ratio reach to 84.86% and also an increase in ultimate stress and improving ratio reach to 78.58% at ratio(30 % ) ,and an increase in the hardness reach improving ratio to 43.45% at ratio (30 %) while the decrease in electrical conductivity to the value of (0.703*106-1 .m-1 ) and increase in the density and improving ratio reach to 13.814% when the ratio of zinc added to the pure aluminum increases , a change in microstructure and regular distribution of zinc on the boundary of crystalline for alloys, has also been noticed. | ||
| Keywords | ||
| Aluminum alloys; Zinc; Mechanical properties; Electrical conductivity | ||
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