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Mcgarrigle, Cormac
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Topics
Publications (11/11 displayed)
- 2022Influence of extrusion parameters on filled polyphenylsulfone tufting yarns on open-hole tensile strengthcitations
- 2022Characterization of continuous carbon fibre reinforced 3D printed polymer composites with varying fibre volume fractionscitations
- 2022Elastic Modulus and Flatwise (Through-Thickness) Tensile Strength of Continuous Carbon Fibre Reinforced 3D Printed Polymer Compositescitations
- 2021Comparison of Properties and Bead Geometry in MIG and CMT Single Layer Samples for WAAM Applicationscitations
- 2021Influence of Binder Float Length on the Out-of-Plane and Axial Impact Performance of 3D Woven Compositescitations
- 2021Thread-stripping test procedures leading to factors of safety data for friction-drilled holes in thin-section aluminium alloycitations
- 2020Improved crush energy absorption in 3D woven composites by pick density modificationcitations
- 2019Influence of Textile Architecture on the Mechanical Properties of 3D Woven Carbon Composites
- 2019Comparative studies of structure property relationship between glass/epoxy and carbon/epoxy 3D woven composites
- 2019Energy Absorption Mechanisms in Layer-to-Layer 3D Woven Composites
- 2019Improved Energy Absorption in 3D Woven Composites by Weave Parameter Manipulationcitations
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article
Influence of extrusion parameters on filled polyphenylsulfone tufting yarns on open-hole tensile strength
Abstract
Tufting has been shown to improve the mechanical properties of composites. Unlike other published works which rely on commercially available materials, for this study, continuous polymer yarns with diameters ranging from 160 μm to 720 μm of unfilled PPSU and PPSU nanocomposites with 1 wt.% of carbon nanotubes (CNT) were prepared using a twin-screw extruder. The tensile properties of these yarns generally improved with the addition of CNT at higher values of ‘screw speed to haul-off’ ratio. This effect is correlated with the yarn draw down ratio and attributed to the nanofiller orientation induced in the thermoplastic matrix. The fibres exhibited as much as a 23% increase in Ultimate Tensile Strength (UTS) for the same parameter set when loaded with CNT. Depending on filler and processing parameters set, yarns varied in UTS from 96.4 MPa to 206.2 MPa for unfilled PPSU and PPSU-CNT, respectively.