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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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Zak, Alla
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (9/9 displayed)
- 2021Poly(L-lactic acid) Reinforced with Hydroxyapatite and Tungsten Disulfide Nanotubescitations
- 2021Interaction of Poly L-Lactide and Tungsten Disulfide Nanotubes Studied by in Situ X-ray Scattering during Expansion of PLLA/WS2NT Nanocomposite Tubescitations
- 2019Dielectric Properties of Epoxy-Matrix Composites with Tungsten Disulfide Nanotubescitations
- 2018Improved Performance p-type Polymer (P3HT) / n-type Nanotubes (WS2) Electrolyte Gated Thin-Film Transistorcitations
- 2017Strain-induced phonon shifts in tungsten disulfide nanoplatelets and nanotubescitations
- 2016Strain-induced phonon shifts in tungsten disulfide nanoplatelets and nanotubescitations
- 2014Novel poly(3-hydroxybutyrate) nanocomposites containing WS2 inorganic nanotubes with improved thermal, mechanical and tribological propertiescitations
- 2014Novel poly(3-hydroxybutyrate) nanocomposites containing WS2 inorganic nanotubes with improved thermal, mechanical and tribological propertiescitations
- 2013Revealing the anomalous tensile properties of WS2 nanotubes by in situ transmission electron microscopycitations
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article
Revealing the anomalous tensile properties of WS2 nanotubes by in situ transmission electron microscopy
Abstract
Mechanical properties and fracture behaviors of multiwalled WS<sub>2</sub> nanotubes produced by large scale fluidized bed method were investigated under uniaxial tension using in situ transmission electron microscopy probing; these were directly correlated to the nanotube atomic structures. The tubes with the average outer diameter approximately 40 nm sustained tensile force of approximately 2949 nN and revealed fracture strength of approximately 11.8 GPa. Surprisingly, these rather thick WS<sub>2</sub> nanotubes could bear much higher loadings than the thin WS<sub>2</sub> nanotubes with almost "defect-free" structures studied previously. In addition, the fracture strength of the "thick" nanotubes did not show common size dependent degradation when the tube diameters increased from approximately 20 to approximately 60 nm. HRTEM characterizations and real time observations revealed that the anomalous tensile properties are related to the intershell cross-linking and geometric constraints from the inverted cone-shaped tube cap structures, which resulted in the multishell loading and fracturing.