Mechanical properties evaluation of carbon nanotube/sisal fiber/marble dust reinforced polymer based composites

Abstract

In current circumstances the use of natural fibers is improved extremely in vehicle segment as prospective renewable and biodegradable constituents. The automotive industry currently uses natural fibre reinforced polymer composites for a wide range of panelling components in wagons, as well as for several interior components. It's a plastic that can stand in for glass-fiber-reinforced varieties when necessary. This study focusses on how marble dust and multi-walled carbon nanotubes scatter in sisal fibre and epoxy. The composite was made using 1 wt% marble dust particles and 0, 0.5, 1, 1.5, and 2 wt% of multi-walled carbon nano tube (CNT). Mechanical parameters were determined using ASTM-standard testing process, and test composites were cut to those specifications. The results proved that the nanotube composite with a 1.5 wt% increase in nanotubes possessed improved mechanical properties. Adding 1.5% carbon nanotubes increased tensile strength by 12.14%, and adding 2% CNT increased tensile strength by 14.85%. Meanwhile, flexural strength improved by 72.6% and 124.8%, respectively, after the addition of CNT at the indicated weight percentages to preserve their dimensional stability.