The effect of graphene nanoplatelets (GNPs) on enhancing the interlaminar fracture toughness of glass fiber/epoxy composites was investigated. The GnPs were physically deposited on the fiber surface by the dip coating technique. The composites were fabricated by hand layup technique followed by the compression molding process. Mode-I fracture test was conducted on the composite specimens. Crack propagation was studied by the digital image correlation (DIC) technique. Mode-I fracture toughness for composites loaded with 0.5 wt.% GnPs showed improvement by an average of 60% when compared to the pristine composites. It is concluded that the addition of GnPs produces a strong fiber/matrix interface bonding which effectively limits the crack propagation.
- Manufacturing Engineering Division
Effect of Graphene Addition on Crack Propagation Resistance in Glass Fibre Reinforced Polymer Matrix Composite
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Vigneshwaran, GV, Prabu, SB, & Paskaramoorthy, R. "Effect of Graphene Addition on Crack Propagation Resistance in Glass Fibre Reinforced Polymer Matrix Composite." Proceedings of the ASME 2018 13th International Manufacturing Science and Engineering Conference. Volume 2: Materials; Joint MSEC-NAMRC-Manufacturing USA. College Station, Texas, USA. June 18–22, 2018. V002T04A025. ASME. https://doi.org/10.1115/MSEC2018-6563
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