Effect of Graphene Nanoplatelets on Flexural Behavior of Glass Fiber Reinforced Polymer Composites Subjected to Different Temperatures

Abstract:

Glass Fiber Reinforced Polymer (GFRP) Composite are increasing rapidly in Aerospace Industry, Civil and Wind energy sectors, where they can frequently be exposed to different temperature conditions. As the constituent polymer matrix is highly affected by temperature, extreme temperature conditions are critical for GFRP composite structural design. Researchers have recently found nanofillers such as graphene and carbon nanotubes with excellent multifunctional mechanical properties. Graphene Nanoplatelets (GnP) consist of several layers of graphene. GnP is considering an attractive nanofillers as it has improved polymer matrix properties. In this study, the weight percentage of GnP added in GnP-GFRP laminate is 0.25% and 0.5%.GFRP and GnP-GFRP laminates are fabricated by using the hand lay-up method, and the specimens are subjected to a three-point bending test in a thermal chamber with varying the temperature, i.e., 30°C, 50°C, 75°C, and 100°C. This paper investigates the effect of graphene nanoplatelets on the flexural behavior of glass fiber-reinforced polymer composites subjected to different temperatures. Flexural strength and modulus are evaluated, and the appropriate conclusions are determined. GFRP with 0.25% GnP shows higher strength than the neat and 0.5% GnP-GFRP. Here, it has also been shown that flexural strength and modulus decrease significantly with increasing temperature.

• Periodical: Materials Science Forum (Volume 1101)
• Pages: 29-33
• DOI: https://doi.org/10.4028/p-R09Tja
• Online since: October 2023
• Authors: Suplal Tudu, Ramachandran Velmurugan*
• Keywords: Composite, Flexural Behavior, Graphene Nanoplatelets, Three-Point Bending Test

References

[1] Saponara VL. Environmental and chemical degradation of carbon/epoxy and structural adhesive for aerospace applications: Fickian and anomalous diffusion, Arrhenius kinetics. Compos Struct 2001;93:2180–95

DOI: 10.1016/j.compstruct.2011.03.005

[2] Collings TA, Mead DL. Effect of high temperature spikes on a carbon fibre-reinforced epoxy laminate. Composites 1988;19:61–6

DOI: 10.1016/0010-4361(88)90545-9

[3] Sethi S, Panda P, Nayak R, Ray BC. Experimental studies on mechanical behavior and microstructural assessment of glass/epoxy composites at low temperature. J Reinf Plast Compos 2011;31:77–84

DOI: 10.1177/0731684411431767

[4] Jarukumjorn Kasama, Suppakarn Nitinat. Effect of glass fiber hybridization on properties of sisal fiber polypropylene composites. Compos: Part B 2009; 40: 623–7.

DOI: 10.1016/j.compositesb.2009.04.007

[5] Shokrieh M, Esmkhani M, Shahverdi HR, Vahedi F (2013) Effect of graphene nanosheets (GNS) and graphite nanoplatelets (GNP) on the Mechanical properties of epoxy nanocomposites. Sci Adv Mater 5(3):260–266

DOI: 10.1166/sam.2013.1453

[6] F. Wang, L.T. Drzal, Y. Qin, Z. Huang, Size effect of graphene nanoplatelets on the morphology and mechanical behavior of glass fiber/epoxy composites,. J. Mater. Sci., 51 (2016) 3337–3348

DOI: 10.1007/s10853-015-9649-x

[7] X.-L. Xie, Y.-W. Mai, X.-P. Zhou, dispersion and alignment of carbon nanotubes in polymer matrix: a review, Mater. Sci. eng.: R: Reports, 49 (4) (2005) 89-112.

DOI: 10.1016/j.mser.2005.04.002