Investigation of mechanical behavior of graphene nanoplatelets and carbon fiber-reinforced hybrid laminate composites under different environment aging conditions

In this study, the effect of graphene nanoplatelet (GNP) of different amounts (0, 0.25, 0.5, 0.75, and 1.0 wt.%) on the carbon fiber-reinforced polymer (CFRP) composites were investigated to determine mechanical properties under different environment aging conditions. The mechanical properties were...

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Bibliographic Details
Published in:Proceedings of the Institution of Mechanical Engineers. Part E, Journal of process mechanical engineering Journal of process mechanical engineering, 2024-06, Vol.238 (3), p.1149-1161
Main Authors: Namdev, Anurag, Telang, Amit, Purohit, Rajesh
Format: Article
Language:English
Subjects:
Aging
Carbon fiber reinforced plastics
Carbon fiber reinforcement
Fiber composites
Fiber reinforced polymers
Field emission microscopy
Fracture surfaces
Graphene
Humidity
Hybrid composites
Impact strength
Interfacial shear strength
Mechanical properties
Platelets (materials)
Relative humidity
Shear strength
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Summary:In this study, the effect of graphene nanoplatelet (GNP) of different amounts (0, 0.25, 0.5, 0.75, and 1.0 wt.%) on the carbon fiber-reinforced polymer (CFRP) composites were investigated to determine mechanical properties under different environment aging conditions. The mechanical properties were examined under three different environment aging conditions (25°C, 55% RH (relative humidity); 25°C, 75% RH; and 75°C, 75% RH). Humidity and temperature are the main environmental factors discussed in this study to evaluate the mechanical characteristics. The results determine that the enhancement of GNP from 0.25 to 0.50 wt.% as a reinforcement improved the tensile, flexural, interlaminar shear strength, impact, and torsional strength of the developed hybrid composites. Further, an increase in wt.% of GNP in composites up to 1.0% reduces tensile, flexural, and interlaminar shear strength compared to neat CFRP in all aging conditions. But the torsional and impact strength are higher at 0.75–1.0 wt.% GNP as compared to neat CFRP in all conditions. It is observed that there is a reduction in tensile, flexural, shear, torsional, and impact properties at higher temperature and humidity conditions. The nanoparticle dispersion, agglomeration, and fracture surface of composites is analyzed by field emission scanning electron microscopy.
ISSN:0954-4089
2041-3009
DOI:10.1177/09544089221150731