Interaction Effect on Silica Sand Reinforced AA5042 Composite Tensile Strength Properties

This investigation explores the interaction effects of silica sand reinforcement on the tensile strength properties. The interaction effects of production parameters on the tensile strength properties of silica sand-reinforced AA5042 aluminum matrix composites are also presented in this study. The composites were processed using stir casting method with different weight percentages of silica sand particles. Systematic investigations of the influence of particle size (30-90 μm), weight percentage (5-15%), and preheat temperature (200-300°C) on tensile strength were undertaken using response surface methodology. Tensile tests were conducted according to ASTM E8 standards, and microstructural characterizations were examined using scanning electron microscopy (SEM). Microstructure analysis confirmed even silica particle distribution and the prevailing strengthening mechanisms as load transfer and crack deflection. Effects analysis revealed particle size to be a negative (-3.00 coefficient) while weight percentage was a positive influence (3.75 coefficient) on tensile strength. The findings are critical in establishing optimum composite design and process parameters for enhanced mechanical properties.