Volume 11 Issue 3 ( September 2024)

This investigation examines metallic and polymeric nanocomposites in various industries, focusing on integrating carbon nanotubes (CNTs) to enhance mechanical, thermal, and electrical properties. It explores mathematical models for predicting properties like thermal conductivity and emphasizes the potential of aluminum-based and polymer-based nanocomposites. The research develops predictive models considering factors such as interfacial thermal resistance (ITR) and filler volume fractions. For instance, the thermal conductivity of aluminum-based nanocomposites, calculated using the Maxwell model, increased from 243.91 W/mK to 270.11 W/mK with the addition of 5% volume fraction of CNTs. Similarly, polymeric HDPE-CNT nanocomposites showed an increase in thermal conductivity from 0.515 W/mK to 0.578 W/mK with a 5% volume fraction of CNTs, while HDPE-Coir composites showed marginal changes. The hybrid composite of HDPE-Coir-CNT demonstrated an increase in thermal conductivity to 1.14 W/mK using the Bruggeman model. Experimental validation, including thermal conductivity measurements and mechanical testing, ensures the findings' applicability, reinforcing the study's relevance and reliability in guiding advanced materials development for industries like sports, automotive, and aerospace.

Keywords: Aluminum, Polyethylene, High Density Polyethylene, Carbon nanotubes, Thermal conductivity