Volume 19 No 11 (2021)
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Tribological and Rheological Investigations of MWCNT/PMMA Polymeric Composites and Hybrid Compounds
Enas Al-Zubaidy , Ammar Emad Al-Kawaz
Abstract
The Nano scale self-lubricating compounds were prepared by in-situ free radical polymerization with the dispersion
of MWCNT ultrasonic molecules embedded in the polymer matrix to enhance the tribological mechanical properties
as well as the production of hybrid compounds to detect the tibial changes on the polymer surface, dry friction under
the conditions of slip was studied, the friction coefficient was found For hybrid compounds slightly lower than the
coefficient of friction of Nano composites under multiple loads and constant velocities, enhancements of Nano
composites in rheological behavior were investigated and the influencing factors were determined: shear stress,
shear viscosity, as well as shear rates. By using visual inspection, tracking of the behavior of compounds during
extrusion was carried out and obtaining the shapes of the threads resulting from extrusion, which are usually
important matters whose results depend on many industries.
Keywords
In-situ Free Radical Polymerization, Friction, Melt Fracture, Surface Quality.
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