Influence of Eggshell Particulate on the Mechanical Properties of Aluminum Matrix Composite: A Review.

Abstract

In this study, we investigated the influence of eggshell particulate reinforcement on the mechanical properties of metal matrix composite with aluminium alloy as the matrix. Majority of the production method involved the stir casting technique either mechanical or electrical, this is because ofthe majority of these authors aimed at producing a low-cost composite material. They identified that the frequency of turn when inculcating the particulate improved the overall distribution of particulate in the metal matrix. Also, the powder metallurgy route was studied so give more information about the matrix particulate interface.In terms of microstructure, authors discovered that a carburized ES created better interfacial bonds of reinforcement to the matrix, this had a positive influence on the overall mechanical properties of the composite compared to uncarburised ES particulate. Authors in this study also discovered that a 12% weight of reinforcement material was the optimum amount of reinforcement required to improve the mechanical properties of the material and a weight percentage less than 3% reduced the overall tensile properties of the composite compared to it matrix material.The mechanical and properties of the aluminium/ES composite revealed that introducing the ES particulate improved the overall mechanical properties of the composite, this includes the tensile strength and hardness values of the resulting composite with a significant decrease in density of the composite. Researchers also identified that the increase in tensile strength did not correspond with an increase in tensile strain, but they observed that the composite developed more brittle properties which were highlighted by its low impact strength.