Tribological Characteristics of Silicon Carbide – Epoxy Nanocomposites
Keywords:Friction, Wear, Polymer Composites, Pin on disc, and SiC nanoparticles.
AbstractThe applications of polymer nanocomposites have been increased in fast, in technological applications and engineering materials for seal and sliding components in many machines, devices, tools and variance vehicles. In this research friction and wear coefficients of epoxy reinforced by nanoparticles silicon carbide in terms of variance volume fractions have been tested. Mechanical – layup method with ultrasonic technique for the dispersion of the nanoparticles within the polymer matrix are used. Wear and friction coefficient tests are created out using pin -on-disc technique. The results showed significant improvement in wear resistance and low coefficient of friction for 10 vol. % nanocomposites compared with the matrix alone. It can be concluded from scanning electron microscopy (SEM) results before and after the tests that the wear was transformed from the severe to the moderate.
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