Synergistic Effect of Nano-α-Al2 O3 Particles on Mechanical Properties of Glass-fibre reinforced Epoxy Hybrid Composites

By : Swapan K. Dolui

Page No: 121-130

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-αAl2 O3 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-αAl2O3 , 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.

Authors :
Anil Kumar Veerapaneni
Aarshanano Composite Technologies Pvt. Ltd., Guntur, Andhra Pradesh, India

Chandrasekar Kuppan
Division of Chemistry, Vignan’s Foundation for Science, Technology and Research University (Vignan’s Univ.), Vadlamudi 522 213 Guntur District, Andhra Pradesh, India

Murthy Chavali
NTRC-MCETRC and Aarshanano Composite Technologies Pvt. Ltd., Guntur District, Andhra Pradesh, India
 

DOI: https://doi.org/10.32381/JPM.2020.37.3-4.1