| 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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Ege, Kerem
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (12/12 displayed)
- 2024Electromechanical coupling optimization for a sandwich beam activation using piezoceramics
- 2023On the estimation of the shear modulus of a honeycomb sandwich panel from X-ray mapping of its core.
- 2023On the estimation of the shear modulus of a honeycomb sandwich panel from X-ray mapping of its core
- 2022Wave correlation approaches to analyse 3D velocity fields: application to a honeycomb core composite panel
- 2021Development of the Corrected Force Analysis Technique for laminated composite panelscitations
- 2020On the structural dynamics of laminated composite plates and sandwich structures; a new perspective on damping identificationcitations
- 2018Assessment of the apparent bending stiffness and damping of multilayer plates; modelling and experimentcitations
- 2018Spatial Patterning of the Viscoelastic Core Layer of a Hybrid Sandwich Composite Material to Trigger Its Vibro-Acoustic Performancescitations
- 2018Modeling, designing and measuring hybrid sandwich composite panels with optimized damping properties
- 2017Versatile hybrid sandwich composite combining large stiffness and high damping: spatial patterning of the viscoelastic core layercitations
- 2015Vibrational behavior of multi-layer plates in broad-band frequency range: comparisons between experimental and theoretical estimations
- 2013Sandwich patch with thermoviscous fluid core, for increasing damping of panels
Places of action
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conferencepaper
Versatile hybrid sandwich composite combining large stiffness and high damping: spatial patterning of the viscoelastic core layer
Abstract
With the aim of decreasing CO2 emissions, car producers’ efforts are focused, among others, on reducing the weight of vehicles yet preserving the overall vibrational comfort. To do so, new lightweight materials combining high stiffness and high (passive) damping are sought. For panels essentially loaded in bending, sandwich composites made of two external metallic stiff layers and an inner polymeric (i.e. absorbing) core are broadly used. In the present work, the performances of such sandwich structures are enhanced by optimizing their damping behavior according to their use. More precisely, spatial patterning through selective UV irradiation of the viscoelastic properties of the silicone elastomeric layer is obtained based on a recently published UV irradiation selective technique [1]. Initially developed to modulate the elastic property gradient in Liquid Silicone Rubber (LSR) membranes, the procedure is now generalized to control the viscoelastic behavior of Room Temperature Vulcanization (RTV) silicone. Since the Young’s modulus and damping factor of the polymeric material are triggered by the UV irradiation dose, the resulting vibration response of the sandwich composite, made of aluminum skins and RTV silicone core, can be accordingly tuned. [1] Stricheret al. (2016). “Light‐Induced Bulk Architecturation of PDMS Membranes,” Macromol. Mater. Eng. 301(10), 1151-1157.