| People | Locations | Statistics |
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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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Ikkala, Olli
Aalto University
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (33/33 displayed)
- 2024Respiratory rate monitoring with cellulose optical fiber
- 2021Cellulose optical fiber
- 2021Cellulose optical fiber
- 2021Electroferrofluids with nonequilibrium voltage-controlled magnetism, diffuse interfaces, and patternscitations
- 2020Methyl cellulose/cellulose nanocrystal nanocomposite fibers with high ductilitycitations
- 2019Effects of Chloride Concentration on the Water Disinfection Performance of Silver Containing Nanocellulose-based Compositescitations
- 2018Thermal Isomerization of Hydroxyazobenzenes as a Platform for Vapor Sensingcitations
- 2018Thermal Isomerization of Hydroxyazobenzenes as a Platform for Vapor Sensingcitations
- 2018Imaging Inelastic Fracture Processes in Biomimetic Nanocomposites and Nacre by Laser Speckle for Better Toughnesscitations
- 2017Toughness and Fracture Properties in Nacre-Mimetic Clay/Polymer Nanocompositescitations
- 2015Self-assembly of a functional oligo(aniline)-based amphiphile into helical conductive nanowirescitations
- 2015Water-Resistant, Transparent Hybrid Nanopaper by Physical Cross-Linking with Chitosancitations
- 2015Modular Architecture of Protein Binding Units for Designing Properties of Cellulose Nanomaterialscitations
- 2015Enhanced plastic deformations of nanofibrillated cellulose film by adsorbed moisture and protein-mediated interactionscitations
- 2015Hybrid supramolecular and colloidal hydrogels that bridge multiple length scales.
- 2013Photoinduced surface patterning of azobenzene-containing supramolecular dendrons, dendrimers and dendronized polymerscitations
- 2012Facile method for stiff, tough, and strong nanocomposites by direct exfoliation of multilayered graphene into native nanocellulose matrixcitations
- 2010Large-area, lightweight and thick biomimetic composites with superior material properties via fast, economic, and green pathwayscitations
- 2009Solid state nanofibers based on self-assembliescitations
- 2009Solid state nanofibers based on self-assemblies:from cleaving from self-assemblies to multilevel hierarchical constructscitations
- 2008Tuning the electrical switching of polymer/fullerene nanocomposite thin film devices by control of morphologycitations
- 2008Direct Imaging of Nanoscopic Plastic Deformation below Bulk Tg and Chain Stretching in Temperature-Responsive Block Copolymer Hydrogels by Cryo-TEMcitations
- 2008Evidence of PPII-like helical conformation and glass transition in a self-assembled solid-state polypeptide-surfactant complexcitations
- 2008Organic memory using [6,6]-phenyl-C 61 butyric acid methyl ester:Morphology, thickness and concentration dependence studiescitations
- 2008Self-assembled poly(4-vinylpyridine) - Surfactant systems using alkyl and alkoxy phenylazophenolscitations
- 2007Hierarchical porosity in self-assemhled polymerscitations
- 2007Hollow inorganic nanospheres and nanotubes with tunable wall thicknesses by atomic layer deposition on self-assembled polymeric templatescitations
- 2007Hollow inorganic nanospheres and nanotubes with tunable wall thicknesses by atomic layer deposition on self-assembled polymeric templatescitations
- 2007Metallic nanoparticles in a polymeric matrix
- 2007Metallic nanoparticles in a polymeric matrix:Electrical impedance switching and negative differential resistance
- 2007Phase behavior and temperature-responsive molecular filters based on self-assembly of polystyrene-block-poly(N-isopropylacrylamide)-block-polystyrenecitations
- 2007Hierarchical porosity in self-assemhled polymers:Post-modification of block copolymer-phenolic resin complexes hy pyrolysis allows the control of micro- and mesoporositycitations
- 2001Self-organization of nitrogen-containing polymeric supramolecules in thin filmscitations
Places of action
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article
Toughness and Fracture Properties in Nacre-Mimetic Clay/Polymer Nanocomposites
Abstract
| openaire: EC/FP7/291364/EU//MIMEFUN ; Nacre inspires researchers by combining stiffness with toughness by its unique microstructure of aligned aragonite platelets. This brick-and-mortar structure of reinforcing platelets separated with thin organic matrix has been replicated in numerous mimics that can be divided into two categories: microcomposites with aligned metal oxide microplatelets in polymer matrix, and nanocomposites with self-assembled nanoplatelets-usually clay or graphene oxide-and polymer. While microcomposites have shown exceptional fracture toughness, current fabrication methods have limited nacre-mimetic nanocomposites to thin films where fracture properties remained unexplored. Yet, fracture resistance is the defining property of nacre, therefore centrally important in any mimic. Furthermore, to make use of these properties in applications, bulk materials are required. Here, up to centimeter-thick nacre-mimetic clay/polymer nanocomposites are produced by the lamination of self-assembled films. The aligned clay nanoplatelets are separated by poly(vinyl alcohol) matrix, with 106-107 nanoplatelets on top of each other in the bulk plates. Fracture testing shows crack deflection and a fracture toughness of 3.4 MPa m1/2, not far from nacre. Flexural tests show high stiffness (25 GPa) and strength (220 MPa) that, despite the hydrophilic constituents, are not substantially affected by exposure to humidity. ; Peer reviewed