Abstract
In the present investigation, the tribological performance of epoxy-based nanocomposites filled with multi-wall carbon nano-tubes (MWCNTs) and aluminum oxide (Al2O3) nanoparticles in different weight percentages was investigated. The coefficient of friction (COF) and wear rate of the Epoxy/MWCNTs and Epoxy/Al2O3 nanocomposites were evaluated using a pin-on-ring apparatus in a dry sliding conditions under different contact pressures and sliding speeds. The results demonstrated that the hardness, COF and wear rate were significantly improved by the dispersion of MWCNTs and Al2O3 nanoparticles into the epoxy resin. Increasing the MWCNTs and Al2O3 nanoparticles weight percent increases the hardness and reduces the COF and wear rate of the nanocomposites. The epoxy/MWCNTs nanocomposites showed lower COF, but higher wear rate when compared with epoxy/Al2O3 nanocomposites
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