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Mechanical characterization of carbon nanotubes based polymer composites using indentation tests

Ahmed El Moumen 1 Mostapha Tarfaoui 1 Khalid Lafdi 2
1 IRDL - Institut de Recherche Dupuy de Lôme
2 University of Dayton
Abstract : In this paper, instrumented indentation testing was used to determine the elastic mechanical properties of multiwall carbon nanotubes (CNTs) reinforced polymer composites. A finite element analysis model for simulating micro-indentation test was developed using ABAQUS software and confronted to experimental tests. It seems that CNTs reinforced polymer composites shows an improved of mechanical properties. The microstructure of indentation mark has been evaluated using scanning electronic microscopes and compared with the microstructure of numerical models. It results that adding small amount of CNTs improves the fracture interfacial rigidity and can stop micro-cracks evolution.
Keywords : Polymer matrix composites Mechanical properties Microstructure Finite element analysis Carbon nanotubes Micro-indentation test
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https://hal-ensta-bretagne.archives-ouvertes.fr/hal-01699538
Contributor : Marie Briec <>
Submitted on : Friday, February 2, 2018 - 2:36:35 PM
Last modification on : Tuesday, April 13, 2021 - 8:59:29 AM

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ENSTA-BRETAGNE | CNRS | UNIV-BREST | ENSTA-BRETAGNE-MECA | UBS

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Ahmed El Moumen, Mostapha Tarfaoui, Khalid Lafdi. Mechanical characterization of carbon nanotubes based polymer composites using indentation tests. Composites Part B: Engineering, Elsevier, 2017, 114, pp.1 - 7. ⟨10.1016/j.compositesb.2017.02.005⟩. ⟨hal-01699538⟩

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