Mechanical Response of Glass-Epoxy Composites with Graphene Oxide Nanoparticles

Vinayak S Uppin; P S Shivakumar Gouda; M I Kittur; A Andriyana; B C Ang; Bisma Parveez; Irfan Anjum Badruddin; Syed Javed; Sarfaraz Kamangar

doi:10.3390/ma15238545

Mechanical Response of Glass-Epoxy Composites with Graphene Oxide Nanoparticles

Materials (Basel). 2022 Nov 30;15(23):8545. doi: 10.3390/ma15238545.

Authors

Vinayak S Uppin¹, P S Shivakumar Gouda², M I Kittur^{3

4}, A Andriyana^{3

4}, B C Ang^{3

5}, Bisma Parveez⁶, Irfan Anjum Badruddin⁷, Syed Javed⁷, Sarfaraz Kamangar⁷

Affiliations

¹ Department of Mechanical Engineering, Jain College of Engineering, Affiliated to Visvesvaraya Technological University, Belagavi 590014, Karnataka, India.
² Research Center, Department of Mechanical Engineering, SDM College of Engineering and Technology, Dharwad 580002, Karnataka, India.
³ Centre of Advanced Materials, Faculty of Engineering, University of Malaya, Kuala Lumpur 50603, Malaysia.
⁴ Department of Mechanical Engineering, Faculty of Engineering, University of Malaya, Kuala Lumpur 50603, Malaysia.
⁵ Department of Chemical Engineering, Faculty of Engineering, University of Malaya, Kuala Lumpur 50603, Malaysia.
⁶ Department of Manufacturing and Materials Engineering, International Islamic University Malaysia, Kuala Lumpur 53100, Malaysia.
⁷ Mechanical Engineering Department, College of Engineering, King Khalid University, Abha 62421, Saudi Arabia.

Abstract

Graphene-based fillers possess exceptional properties that encourage researchers toward their incorporation in glass-epoxy (GE) polymer composites. Regarding the mechanical and wear properties of glass-epoxy composites, the effect of graphene oxide (GO) reinforced in glass-epoxy was examined. A decrease in tensile modulus and increase in tensile strength was reported for 1 wt. % of GO. A shift in glass transition temperature T_g was observed with the addition of GO. The cross-link density and storage modulus of the composite decreased with the addition of GO. The decrease in dissipation energy and wear rate was reported with the increase in GO concentration. A simple one-dimensional damage model of nonlinear nature was developed to capture the stress-strain behavior of the unfilled and filled glass-epoxy composite. Tensile modulus E, Weibull scale parameter σ_o, and Weibull shape parameter β were considered to develop the model. Finally, to understand the failure mechanisms in GO-filled composites, a scanning electron microscopic (SEM) examination was carried out for tensile fractured composites.

Keywords: constitutive modeling; graphene oxide; mechanical properties; polymer matrix composites.

Grants and funding

RGP. 2/235/43/King Khalid University