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  Scopus ID: 21100926589

Analysis of Mechanical Properties in Micro and Nano Composites: A Comparative Study

Vishnu Kumar Vallala, Venkateshwar Reddy Pathapalli, Naresh Kumar Sarella, Seshappa Angadi, Vishnu Vardhan Mukkoti, Manikandan Natarajan, Thejasree Pasupuleti and Maharshi Bhatt

Abstract

Machining A development in microstructure within the Al-7075/Al2O3 (Alumina) combination was exhibited in this instance by altering its granular sizes for reinforcements throughout its substrate using the technique of powder metallurgy. Attention was placed on altering various reinforcing sizes of particles, including analyzing individual micro-structural architectures and potential consequences for overall nano-composite mechanical characteristics. Powder metallurgy was used to create nanocomposites of 9 vol.% Al2O3 (average size – 40 nm) strengthened within an aluminum matrix. A further additional set of exhibits with a comparable constitution (average size 20 m) was created to contrast both the mechanical and physical characteristics of the micro-composites and nanocomposites. Those nano- and micro-composites were characterized through a combination of X-ray diffraction (XRD), microscopy, and a scanning electron microscope (SEM), including density, microhardness, compressive strength, resistance to wear, and corrosion resistance tests. When compared against the Al2O3 micro-particles, the Al2O3 nanoparticles displayed contact with substantial physical closeness within the aluminum matrix. Because the operating temperature gets relatively inadequate, aggregates get minimized, and no new phases are generated when using the powder metallurgy approach.

Published on: November 30, 2023
doi: 10.17756/nwj.2023-s4-064
Citation: Vallala VK, Pathapalli VR, Sarella NK, Angadi S, Mukkoti VV, et al. 2023. Analysis of Mechanical Properties in Micro and Nano Composites: A Comparative Study. NanoWorld J 9(S4): S372-S378.

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