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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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Wagner, Hanoch Daniel
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (10/10 displayed)
- 2024From Basic Principles of Protein-Polysaccharide Association to the Rational Design of Thermally Sensitive Materialscitations
- 2022Fragmentation of beaded fibres in a composite
- 2016Graphene oxide-Laponite hybrid from highly stable aqueous dispersioncitations
- 2013Osteonal lamellae elementary unitscitations
- 2012Nanoindentation of osteonal bone lamellaecitations
- 2010A novel experimental method for the local mechanical testing of human coronal dentincitations
- 2009Compressive response of dentin micro-pillarscitations
- 2007Microscopic investigation of shear in multiwalled nanotube deformationcitations
- 2001Nanoscale shear and indentation measurements in transcrystalline α-isotactic polypropylenecitations
- 2001Mechanics and dynamics of transcrystalline alpha-isotactic polypropylene at the nanoscale
Places of action
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article
Mechanics and dynamics of transcrystalline alpha-isotactic polypropylene at the nanoscale
Abstract
Direct, spatially resolved, mechanical measurements on the transcrystalline phase formed near high modulus carbon fibers embedded in alpha -isotactic polypropylene are reported. A scanning force microscope has been implemented with two nonstandard modifications in order to probe both the Young's modulus and shear modulus at varying directions with respect to the lamellae growth direction. The experiments show an unequivocal anisotropy in both moduli, which varies with radial distance from the fiber. The results can be interpreted in terms of morphology of the polymer molecules and lamella stacks. The different probe size for the two measurements enables a separation of molecular and lamellae order.