Flexural Behavior of Graphene Nanoplatelets Reinforced Cross-Ply E-glass/epoxy Laminated Composite Materials
Journal Title: Cumhuriyet Science journal - Year 2018, Vol 39, Issue 2
Abstract
In this study, the effect of graphene nanoplatelets reinforcement on the flexural strength of E-glass/epoxy laminated composite material was investigated experimentally. [0⁰/90⁰]3S oriented composite materials with and without graphene nanoplatelets reinforcement were manufactured by using hand lay-up and vacuum bagging method. Graphene nanoplatelets at three different ratios (0.25, 0.5 and 1 wt.%) were added to the epoxy. The produced plates were cut with a water jet cutting machine to obtain three-point bending specimens. Then, three-point bending tests were performed according to the ASTM D790 standard. The span between the centers of support cylinders/composite specimen thickness ratio (s/t) was selected as 16 in all the tests. Results indicate that the addition of graphene nanoplatelets to the epoxy matrix increased the flexural strength of the laminated composite material. When the graphene nanoplatelets at ratios of 0.25, 0.5 and 1 wt.% were added to the epoxy matrix, the flexural strengths increased by 4.32%, 12.88% and 7.03% respectively.
Authors and Affiliations
Sakine KIRATLI, Züleyha ASLAN
Keywords
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- EP ID EP488358
- DOI 10.17776/csj.373725
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