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Falzon, Brian George
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Topics
Publications (10/10 displayed)
- 2023A three-dimensional Finite Fracture Mechanics model for predicting free edge delamination
- 2023Three-dimensional semi-analytical investigation of interlaminar stresses in composite laminates
- 2023Maritime applications of fibre reinforced polymer composites
- 2023A semi-analytical method for measuring the strain energy release rates of elliptical cracks
- 2023Failure analysis of unidirectional composites under longitudinal compression considering defects
- 2022On the mechanical properties of melt-blended nylon 6/ethylene-octene copolymer/graphene nanoplatelet nanocompositescitations
- 2021On the importance of finite element mesh alignment along the fibre direction for modelling damage in fibre-reinforced polymer composite laminatescitations
- 2021Invariant based approaches in the design of composite laminatescitations
- 2020Hierarchical finite element-based multi-scale modelling of composite laminatescitations
- 2013Integrating allowable design strains in composites with whole life valuecitations
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article
On the mechanical properties of melt-blended nylon 6/ethylene-octene copolymer/graphene nanoplatelet nanocomposites
Abstract
Ethylene-octene copolymer (EOC) with a loading level of 20 wt%, maleated EOC (EOC-g-MA) with a loading level of 3 wt% and graphene nanoplatelets (GnPs) at four different loading levels, i.e., 3 wt%, 5 wt%, 10 wt% and 15 wt% were added to nylon 6 to prepare nanocomposites using a twin-screw extruder with a high shear rate screw running at 300 rpm. Increased stiffness was observed with the addition of GnPs while tensile strength of nanocomposites was only slightly influenced. Addition of GnPs into nylon 6 and nylon 6/EOC blend caused either a reduction in the Charpy impact strength or it remained unaffected. Similarly, the Izod impact strength of compatibilized nylon 6/EOC blend increased while that of nylon 6/EOC blend-based nanocomposites decreased. An increase was observed in the compressive Izod impact strength of compatibilized nylon 6/EOC blend. Addition of GnPs to nylon 6/EOC blend caused an increase in the fracture toughness due to their influence on the morphology and fracture mechanisms. This study shows that simultaneous addition of high surface area GnPs and an impact modifier to neat nylon 6 can help achieve enhancement and tailoring of stiffness and toughness.