Analysis and Characterization of TIO2 Nanoparticle Effect on Aluminum Matrix Nanocomposites by Stir Casting

Riyadh A. Al-Samarai, Electromechanical Engineering Department, Engineering College, University of Samarra, Samarra – 34010, Iraq
Abdulsalam Y. Obaid, Engineering Affairs Department, University of Fallujah, Iraq

Abstract

The objective of this study was to use stir casting to create aluminum matrix nanocomposites with a uniform dispersion of TiO₂ nanoparticles to evaluate their effect on the performance of aluminum-based products. Microstructural analysis significantly reduced the grain size, with an average drop of 18.2%. This suggests that the TiO2 nanoparticles affect the mineral matrix, which improves the mechanical properties. With the incorporation of TiO2 particles, the results showed improvements in stiffness (6.97%), nominal stress (27.92%), actual failure stress (25.6%), and ultimate stress (26.1%). Outperforming commercially pure aluminum, the mechanical properties of the resulting nanocomposites were significantly improved by adding TiO₂ nanoparticles into the aluminum matrix. Microstructural and X-ray diffraction (XRD) studies confirmed the beneficial effects of the addition of nanoparticles.

Recommended Citation

Al-Samarai, Riyadh A. and Obaid, Abdulsalam Y. (2024) "Analysis and Characterization of TIO2 Nanoparticle Effect on Aluminum Matrix Nanocomposites by Stir Casting," The Journal of Engineering Research: Vol. 21: Iss. 2, Article 3.
DOI: https://doi.org/10.53540/tjer.vol21iss2pp154-162