Abstract
In the recent era, Metal Matrix Composites (MMCs) are one of the most vigorously studied topics in material science. Lightweight metals and its alloys create an intense attraction for tailoring new metal matrix composites to overcome conventional limitations like low strength. Aluminum metal matrix composites signify to the high-grade lightweight high-performance aluminum-based MMCs. The reinforcements in aluminum matrix composites could be in the form of particulates, whiskers, and continuous fiber or discontinuous fiber, where weight or volume fraction varies from a few percentages to 60%. Properties of aluminum metal matrix composites can be customized as per the demand of the industry by getting the appropriate combination of the metal matrix, reinforcements, and selective processing route. Nowadays many grads of aluminum matrix composites are fabricated by different routes where in situ route processing is more attractive compared with conventional ex-situ process because it delivers excellent wettability, thermally stability of reinforcements, the bonding strength between reinforcements and matrix, cohesive atomic structure, and fine grain size of reinforcements (specifically nano size). The devoted research work of aluminum matrix composites during the last three-decade generates a wealth of knowledge on the effect of reinforcements vis-à-vis mechanical, chemical, tribological properties of aluminum matrix composites. The acceptance of the aluminum matrix composites as engineering materials depends not only on the performance advantages of the composites, but it also depends upon the cheap, easy, and familiar fabrication technologies for these tailored materials.
Highlights
All monolithic materials have their limitation to achieving the right combinations of mechanical, tribological, corrosion, magnetic, electric property, but to overcome and the ever-increasing demand of modern technology, composites are most auspicious materials in recent years [1]
Remarkable factors affecting the response of the aluminum matrix composites are the bonding strength of matrix and reinforcement interface, the chemistry, the size, shape, and distribution of reinforcement, and the matrix composition
Ductility of composites is reducing as the weight or volume fraction of the reinforcements increased, and simultaneously strength of composites is increased
Summary
All monolithic materials have their limitation to achieving the right combinations of mechanical, tribological, corrosion, magnetic, electric property, but to overcome and the ever-increasing demand of modern technology, composites are most auspicious materials in recent years [1]. There are so many techniques have been industrialized and applied to the fabrication of aluminum matrix composites, such as mechanical stir casting, ultrasonic vibration-assisted stir casting, modified stir casting (two-stage), pressure and pressureless infiltration, powder metallurgy, selective laser melting (SLM), accumulative roll bonding (ARB), squeeze casting, hot pressing, spark plasma sintering (SPS), high pressure die casting, etc. Grain refinement is one of the popular ways to improve ductility and strength at ambient temperature. Under this situation, aluminum reinforced with ceramic particulates have significant potential in structural application due to their high specific strength, stiffness, and low density but negotiate the ductility of the composites [5,6,7]. Rathod et al - A Consequence of Reinforcements in Aluminum-Based Metal
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