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| Naji, M. |
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| Kočí, Jan | Prague |
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Horsewell, Andy
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Topics
Publications (14/14 displayed)
- 2014A TEM Study on the Ti-Alloyed Grey Iron
- 2012Mechanical properties of low-density polyethylene filled by graphite nanoplateletscitations
- 2012A TEM Study on the Microstructure of Fine Flaky Graphite
- 2011Advanced 2D and 3D Electron Microscopy Analysis of Clay/PP Nanocomposites
- 20093-D Analysis of Graphite Nodules in Ductile Cast Iron Using FIB-SEM
- 2009Development of Focused Ion Beam technique for high speed steel 3D-SEM artefact fabrication
- 2008Changes in the tribological behavior of an epoxy resin by incorporating CuO nanoparticles and PTFE microparticlescitations
- 2008Ge nanoclusters in PECVD-deposited glass caused only by heat treatmentcitations
- 2007Grey-scale conversion X-ray mapping by EDS of multielement and multiphase layered microstructurescitations
- 2007Learning about materials science and technology by deconstructing modern products
- 2007Ge nanoclusters in PECVD-deposited glass after heat treating and electron irradiationcitations
- 2005Investigation on the traceability of three dimensional scanning electron microscope measurements based on the stereo-pair technique
- 2005Investigation on the traceability of three dimensional scanning electron microscope measurements based on the stereo-pair technique
- 2001Crack Growth along Interfaces in Porous Ceramic Layerscitations
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article
Mechanical properties of low-density polyethylene filled by graphite nanoplatelets
Abstract
The mechanical properties of GNP/LDPE nanocomposites (graphite nanoplatelets/low density polyethylene) have been investigated, in order to establish the effect of nanoscale reinforcement within the polymer matrix. Results show that the presence of the filler does not involve a change in the microscopic structure of the polymer. However, on a macroscopic scale, GNPs limit the mobility of the polymer chains, resulting in an increase in stiffness for the final composite. Orientation of GNPs within the LDPE matrix is also an important issue that affects mechanical properties and it has been evaluated by testing nanocomposites made by different manufacturing techniques (compression moulding and blown extrusion). The comparison between the experimental data and the Halpin–Tsai model shows that the orientation of GNPs due to the extrusion process leads to values of tensile modulus higher than that obtained with the randomly oriented disposition resulting from the compression moulding technique.