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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Andersen, Tom Løgstrup
Technical University of Denmark
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (19/19 displayed)
- 2024A Precise Prediction of the Chemical and Thermal Shrinkage during Curing of an Epoxy Resin
- 2023Biobased composites: materials, properties, and potential applications as wind turbine blade materialscitations
- 2023Cure characterisation and prediction of thermosetting epoxy for wind turbine blade manufacturingcitations
- 2023The impact of the fiber volume fraction on the fatigue performance of glass fiber compositescitations
- 2022Observation of the interaction between transverse cracking and fibre breaks in uni-directional non-crimp fabric composites subjected to cyclic bending fatigue damage mechanismcitations
- 2016Investigation of Mechanical Properties of Unidirectional Steel Fiber/Polyester Composites: Experiments and Micromechanical Predictionscitations
- 2015Impact of non-hookean behaviour on mechanical performance of hybrid composites
- 2014Effect of Polymer Form and its Consolidation on Mechanical Properties and Quality of Glass/PBT Compositescitations
- 2013Influence of Temperature on Mechanical Properties of Jute/Biopolymer Compositescitations
- 2012Attribute Based Selection of Thermoplastic Resin for Vacuum Infusion Process: A Decision Making Methodology
- 2012Experimental Determination and Numerical Modelling of Process Induced Strains and Residual Stresses in Thick Glass/Epoxy Laminate
- 2012In situ measurement using FBGs of process-induced strains during curing of thick glass/epoxy laminate platecitations
- 2011Influence of moisture absorption on properties of fiber reinforced polyamide 6 composites
- 2011A New Static and Fatigue Compression Test Method for Compositescitations
- 2011Attribute based selection of thermoplastic resin for vacuum infusion processcitations
- 2009Pin-on-disk apparatus for tribological studies of polymeric materialscitations
- 2008Changes in the tribological behavior of an epoxy resin by incorporating CuO nanoparticles and PTFE microparticlescitations
- 2008The effect of particle addition and fibrous reinforcement on epoxy-matrix composites for severe sliding conditionscitations
- 2002Influence of fiber type, fiber mat orientation, and process time on the properties of a wood fiber/polymer compositecitations
Places of action
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article
Changes in the tribological behavior of an epoxy resin by incorporating CuO nanoparticles and PTFE microparticles
Abstract
Different amounts of CuD nanoparticles are incorporated into both a neat epoxy resin and into an epoxy resin containing PTFE microparticles. The content of CuD is varied in the range of 0-10 vol.% while the PTFE content is fixed at 7.5 vol.%. The dispersion state of added particles is examined by scanning electron microscopy (SEM) and transmission electron microscopy (TEM), which show a relatively good dispersion of both kinds of particles. Differential scanning calorimetry (DSC) and Vickers hardness measurements show no clear changes in glass transition temperature or hardness as a function of thenano-CuO content. However, both parameters are reduced when PTFE is added. Friction and wear data is collected using a custom-made tribotester of the pin-on-disk type. Measurements are performed under dry-sliding conditions against smooth steel counterfaces. When a pressure-velocity (pv) condition of 0.25 MPa, 6.0 m1s is applied the following is found: without PTFE, the coefficient of friction (p,) is roughly independent of the nano-CuO content. When PTFE is added, an average reduction in p, of 35% is found in the CuD range of 0-0.4 vol.%. At higher CuD concentrations the friction lowering effect of PTFE deteriorates. Addition of CuD increases wear relative to the neat epoxy at all concentrations. When nano-CuO is added to epoxy with PTFE incorporated, the wear rate decreases slightly up to a CuD content of 0.4 vol.% after which it increases. The measurements are repeated for some of the composites using a smoother counterface. This gives rise to significantly less wear, which for composites without PTFE is attributed to formation of a protective transfer film. At a pv condition of 1.16 MPa, 1.0 m1s the following is found: composites without PTFE generally show an unsteady behavior with high average wear rates whereas composites with PTFE generally show a good friction and wear performance. The best results are seen at a CuD content in the range of 0.1-0.4 vol.%. The latter shows a positive synergistic effect of adding ...