Study on Thermal, Mechanical and Dynamic Properties of Epoxy Matrix with Hybrid of ‎Nanoclay/Carbon Nanotube

Document Type : Research Article

Authors

Mechanical Engineering Department, Razi University, Kermanshah, 6714414971, Iran

Abstract

Hybrid polymer nanocomposites (HPNCs) represent a promising class of materials for various engineering applications. This study investigates the impact of combining nano clay (NC) and carbon nanotubes (CNTs) on the thermal and mechanical properties of epoxy matrices. Mechanical and thermal properties of HPNCs were characterized using TGA, DMTA, TMA, and SEM, and tested for flexural, tensile, shear, hot plate, and modal analyses. The obtained results were compared with similar theoretical ones from the Halpin-Tsai method. Results indicate that incorporating up to 5 wt % of NC alongside epoxy/CNT nanocomposites enhances CNT dispersion, leading to improvements in degradation temperature (+1%), glass transition temperature (+10%), thermal stability (50% increase in residual ash), storage modulus in the plastic range (+39%), transverse bond density (+41%), thermal expansion coefficient (-17%), flexural strength (+17%), elastic modulus (+85%), shear modulus (+11%), and natural frequency of the beam (+42%).

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Main Subjects

References

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