Composite materials are an emerging topic for research as a new competitive material in engineering. New classes of composite material manufactured from particles, nanoparticles and resins, and have experienced efficient and economical for the development and also replacement of new as well as deteriorating structures. In this study epoxy-nanoclay composite materials with varying compositions of nanoclay compared with pure epoxy and epoxy with 10, 20, and 30 by weight fraction of nanoclay are prepared for better insulating materials. The various thermal properties of the material were analyzed to demonstrate that the the prepared composite is a good insulator. An increase in specific heat maximum by 11.26%, thermal stability by 58.82% results in decrease in thermal conductivity maximum by 25.65%, diffusivity to 46.8% and also co-efficient of thermal expansion with an increase in nanoclay proportion is observed. DSC, TGA and TMA are used for determining the thermal properties. SEM and EDS analysis were used to show homogeneous mixture of epoxy and nanoclay.
Epoxy resins are used as Lightweight Automotive components, hydrophobic coating, corrosive-resistant thermosetting linings, and other applications. To understand the effect of epoxy resin with Graphene(G)-red Lead oxide (Pb3O4) filler with the application of heat, the thermal behavior of the hybrid composite material is studied in detail. Microstructure characterization of the produced composites had performed employing EDX and SEM. Analyses of the epoxy matrix microstructure have confirmed a relatively uniform distribution of fillers. TGA, DSC, and Longitudinal heat flow methods, were used to determine the thermal behavior of prepared materials by ASTM standards. Heat resistivity and Thermal conductivity of the material increase by adding 0.5 wt% of G initially increase but decreases with an increase in the density of the composite. Specific heat capacity and CTE increase with density for hybrid material. A decrease in Diffusivity indicates a proven thermally insulating material. A simple method adopted for fabrication tends to reduce cost. Epoxy-based Graphene-red lead oxide with modified properties has proven to be a good insulating material.
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