Performance analysis of MWCNT/Epoxy composites produced by CRTM
作者： Archimede Forcellese , Michela Simoncini , Alessio Vita , Andrea Giovannelli , Linda Leonardi
DOI: 10.1016/J.JMATPROTEC.2020.116839
关键词: Carbon fiber reinforced polymer 、 Apparent viscosity 、 Carbon nanotube 、 Transfer molding 、 Thermosetting polymer 、 Materials science 、 Flexural strength 、 Epoxy 、 Composite material 、 Composite laminates
摘要: Abstract In the present work, carbon fiber reinforced polymer laminates were manufactured by means of Compression Resin Transfer Molding using a commercial epoxy resin additivated with Multi Walled Carbon Nanotubes to impregnate fabric. The weight loads nanotubes investigated equal 0.5 and 1%. As comparison, composite also obtained pristine resin. same process parameters used unadditived composites. presence nanotube agglomerates filtering effect fabric during flow into mold Dynamic Light Scattering microscopic techniques. addition, Differential Scanning Calorimetry was analyze polymerization reaction measure both glass transition temperature nanoadditivated matrices apparent viscosity. Viscosity measured through rheological analysis. Mechanical tests carried out on samples from unadditivated laminates. It shown that viscosity tends decrease as shear rate increases, reaching values similar those at high rate. thermoset matrix is influenced nanotubes, well which increases load. analysis shows homogeneous dispersion indicating no occurs. Finally, tensile flexural show reinforcement strength stiffness composite.
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