Influence of Tio₂ Particles Reinforcement on Microstructure and Mechanical Properties of Al-Zn-Mg Alloy
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This research aims to study the influence of TiO₂ particulate reinforcement addition by different weight percent (0.5, 1.5, 2.5%) on the microstructural and mechanical properties of Al-Zn-Mg alloy. The base alloy and composite were prepared by stir casting process. The mechanical properties of base alloy and composite were measured by using tensile test and hardness. The scanning electron microscope and energy dispersive spectroscopy (EDS) were utilized to study the fracture surface topography. The results represent that the hardness, yield strength and ultimate tensile strength increased with increasing the weight percentage of TiO₂ up to 2.5 wt% m while the elongation decreased. The microstructure inspection by optical microscope which show the distribution of particles in the matrix without any voids. The X-Ray phases and intermetallic compound.
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