Abstract
The purpose of this research is to assess mechanical and tribological behavior of Aluminum matrix nanocomposites reinforced with varying weight percentage of 0%, 2.5%, 5%, 7.5%, 10% and 12.5% titanium diboride (TiB2) nano particles and 6% graphite (Gr) nanoparticles through electromagnetic stir casting process. Microstructure analysis were examined using Optical microstructure, Scanning Electron Microstructure, Energy Dispersive Spectrum and phases of reinforced particles in the Aluminium alloy were identified using X-ray diffraction. Mechanical and tribological testing were conducted. Regarding mechanical properties such as tensile strength, flexural strength, compression strength, and wear resistance of all reinforced composite specimens presented enhanced properties than the unreinforced matrix. It was found that the enhanced mechanical properties and wear behavior of the tested specimens of aluminium hybrid nanocomposites has been achieved due to presence of strengthening of hard ceramic nanoparticles of TiB2 in the matrix.
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