Evaluation of Mechanical Behavior of Hybrid Aluminium Metal Matrix by Using Stir Casting

In this study, ZrO2 (varying from 2 to 6 wt.%) and Boron carbide 1 wt.% to 3% reinforced aluminum matrix composites were fabricated by conventional stir casting technique.The effects of reinforcement element, ZrO2 & B4C addition on the mechanical properties of aluminum composites were newly examined for large-scale distribution.From the experimental results, it was observed that the hardness value of pure aluminum was obtained 61 HRB.Also, the highest hardness values were obtained at 4%-ZrO2 & 2% B4C -77 HRB at the second ratio of the composite.Similarly, the highest yield and ultimate impact strength were determined at 6%-ZrO2 & 2% B4C -composite.As a result, it has been observed that ZrO2 & B4C addition makes a positive contribution to the mechanical and tribological of aluminum composites.According to the wear test have found the ratio of 4%-ZrO2 & 2% B4C is very low wear rate occurred during this investigation.Such that ratio of composites should be used for the wear application of aluminum.