Effect of Cold Rolling Process on Properties of Aluminum-Magnesium Alloy (AA 5456)
Abstract
In the present study, the effect of the cold rolling process under the different reductions ratio (2.5, 5.0, and 7.5) were carried on AA 5456 Al-Mg alloy. During study, at the beginning and before starting the rolling process, the cast aluminum (AA5456) have been subjected to the heat treatments of homogenization at 450 °C for 18 hours and then annealing at a temperature 360 °C for 30 minutes for stress release and removing the effects side of casting. The homogenized Al-Mg alloy samples were undergone the plastic deformation process to assessments the microstructure and mechanical properties such Vickers hardness, Tensile strength as well erosion-corrosion property. The results showed that the homogenized rolled Al-Mg samples have the best value of both hardness and tensile strength. However, the homogenized Al-Mg underwent 7.5 % cold rolling process showed that significant increasing for Vickers hardness, tensile strength and resistance of erosion/corrosion in the impact angle 90°and 30° respectively.