Advanced Materials for Emerging Applications (Innovations, Improvements, Inclusion and Impact)

Aluminium Nanocomposites Developed by Additive Manufacturing for Use in Automobile Applications: Advances and Approaches

Author(s): Amarish Kumar Shukla*, Sumit Kumar Sharma and Prashant Sharma

Pp: 275-297 (23)

DOI: 10.2174/9789815196771124010012

* (Excluding Mailing and Handling)


Aluminium has a lightweight (density is 2.7 g/cm3 ), high specific strength, and excellent wear and corrosion resistance properties. Due to these properties, aluminium and its alloys are the most commonly used for structural, automobile, and aerospace applications. However, these monolithic materials have poor mechanical properties which are significant barriers to their further development. The resulting materials, when reinforced with ceramic particles, enhance the properties of materials and are capable of meeting the majority of industrial requirements. The reinforcement of ceramic affects the properties of developed composites. The composite fabricated by the conventional process has a limitation to the segregation of reinforced ceramic particles, porosity, weak interfacial bonding, and lower strength. Besides, additive manufacturing (AM) provides design freedom and dense and high-strength components. In the present study, advances in aluminium nanocomposite developed by laser powder bed fusion processes have been studied in detail. In addition, the objective of this chapter is to focus on the fabrication routes, formation mechanisms, effect of process parameters and its effect on laser absorption, grain refinement, interfacial bonding and mechanical properties of aluminium nanocomposite discussed in detail. The future scope of laser-processed aluminium composite is also briefly discussed.

Keywords: Aluminium composite, Additive manufacturing method, Classifications of additive manufacturing techniques, Laser powder bed fusion processes, Laser additive manufacturing, Microstructure, Mechanical properties.

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