Open Access

ARTICLE

Synergistic Effect of Nano-α-Al₂O₃ Particles on Mechanical Properties of Glass-fibre reinforced Epoxy Hybrid Composites

ANIL KUMAR VEERAPANENI¹, CHANDRASEKAR KUPPAN^2,*, MURTHY CHAVALI^3,*

1 Aarshanano Composite Technologies Pvt. Ltd., Guntur, Andhra Pradesh, India
2 Division of Chemistry, Vignan’s Foundation for Science, Technology and Research University (Vignan’s Univ.), Vadlamudi 522 213 Guntur District, Andhra Pradesh, India
3 NTRC-MCETRC and Aarshanano Composite Technologies Pvt. Ltd., Guntur District, Andhra Pradesh, India

* Corresponding Authors: e-mail: /

Journal of Polymer Materials 2020, 37(3-4), 121-130. https://doi.org/10.32381/JPM.2020.37.3-4.1

Abstract

The mechanical properties of hybrid nanocomposites made of epoxy/glass fibre dispersed with nano-α-Al₂ O₃ powder at different weight percentages were studied.The effect of nano-α- Al₂O₃ size and wt% on mechanical properties like tensile, flexural, interlaminar shear stress and hardness enhanced because of their higher surface area and interfacial polymer-metal interaction. The nanoparticle embedded laminates have shown improvement in flexural strength,and hardness when compared to laminate without nano-α-Al₂ O₃. The properties varied with the loading and size of the nanoparticles. The tensile strength was highest for 0.5 wt% of 200nm nano-α-Al₂O₃, which is 167.80 N/m₂.The highest flexural strength was observed for 1.5 wt% of 60nm nano-α-Al₂ O₃ based laminates which was 378.39 N/m₂ and the highest interlaminar shear strength (ILSS) was observed for 0.5 wt% of 60nm nano-α- Al₂O₃ , which is 31.21 MPa and the highest Vickers hardness was found to be 86.72 for 1.5 wt% of 60nm nano-α-Al₂ O₃.

---

Keywords

---