Abstract
Tribological characteristics (Wear and Friction) have been studied for (PMMA) polymer, reinforced by nano [TiO2 - ZnO] with volume fractions (0, 2, 3, 4 and 5) vol. %. Ultrasonic dispersion technique was used to prepare the nanocomposites specimens followed by cold – casting technique using flash Teflon molds according to standard conditions. [Pin-on-disc] technique is used to measure wear rate and coefficient of friction. Tribological results show that the values are decreased progressively by succession of load increasing as well as volume fractions of fillers. Scanning electron microscopy technique were employed to aid interpretation results of sliding wear and distribution nanoparticles in base – matrix.
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