| 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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Wang, Ying
University of Twente
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (16/16 displayed)
- 2023Vital Signs Estimation Using a 26 GHz Multi-Beam Communication Testbed
- 2022Ostwald Ripening in an Oxide‐on‐Metal Systemcitations
- 2021Effect of Unit-Cell Size on the Barely Visible Impact Damage in Woven Compositescitations
- 2021Effect of Unit-Cell Size on the Barely Visible Impact Damage in Woven Compositescitations
- 2020Following the effect of braid architecture on performance and damage of carbon fibre/epoxy composite tubes during torsional straining
- 2020Damage evolution in braided composite tubes under torsion studied by in-situ X-ray computed tomographycitations
- 20187.6 Computed tomography of compositescitations
- 2018A finite element and experimental analysis of durability tested springscitations
- 2018Efficient and Selective Photocatalytic Oxidation of Benzylic Alcohols with Hybrid Organic-Inorganic Perovskite Materialscitations
- 2017X-ray computed tomography study of kink bands in unidirectional compositescitations
- 2015Time-lapse X-ray microtomographic imaging of compressive failure in carbon fibre-epoxy composites
- 2015A finite element analysis of composite T-joints used in wind turbine bladescitations
- 2011Power Converters for Power-Ultrasonic Transducers
- 2010Effect of the phenyl ring orientation in the polystyrene buffer layer on the performance of pentacene thin-film transistorscitations
- 2006Remarkably wide four-layer smectic phases in mixtures of liquid crystals and highly chiral dopantscitations
- 2004Association behavior between end-functionalized block copolymers PEO-PPO-PEO and poly(acrylic acid)citations
Places of action
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article
X-ray computed tomography study of kink bands in unidirectional composites
Abstract
An experimental study on the axial compressive failure of cylindrical unidirectional (UD) carbon fibre-epoxy rods has been performed to better understand kink bands and the relevant damage mechanisms in three dimensions (3D). Post-mortem X-ray micro-computed tomography (micro-CT) imaging has shown that fibre kink bands predominantly all lie within the same plane in a cylindrical rod sample uniaxially compressed without lateral constraint. Kink bands at different stages of development are contained in the damage volume and the geometric parameters of fully developed kink bands are consistent through the damage zone, with a kink-band width ω ≈ 20–320 μm, kink-band angle β ≈ 11–40° and fibre rotation angle Φ (φ + φo) ≈ 18–52°. Fibre failure, longitudinal splitting and matrix micro-cracks within the fibre kink zone are identified by scanning electron microscopy (SEM) and X-ray micro-CT observations. The smallest radius of curvature that corresponds to maximum amount of bending of the unbroken buckled fibres was ∼280 μm (40 fibre diameters). Kink-band boundary planes and longitudinal splitting have been extracted and visualised in 3D for the first time.