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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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Serjouei, Ahmad
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (8/8 displayed)
- 2023Soft Pneumatic Actuators with Controllable Stiffness by Bio‐Inspired Lattice Chambers and Fused Deposition Modeling 3D Printingcitations
- 20233D‐Printed Soft and Hard Meta‐Structures with Supreme Energy Absorption and Dissipation Capacities in Cyclic Loading Conditionscitations
- 2022A Review on Additive/Subtractive Hybrid Manufacturing of Directed Energy Deposition (DED) Processcitations
- 20224D Metamaterials with Zero Poisson's Ratio, Shape Recovery, and Energy Absorption Featurescitations
- 2021Nonlinear finite element modelling of thermo-visco-plastic styrene and polyurethane shape memory polymer foamscitations
- 2021Adjustable Compliance Soft Sensor via an Elastically Inflatable Fluidic Domecitations
- 2021Fatigue life improvement of cracked aluminum 6061‐T6 plates repaired by composite patchescitations
- 2019Influences of horizontal and vertical build orientations and post-fabrication processes on the fatigue behavior of stainless steel 316l produced by selective laser meltingcitations
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article
4D Metamaterials with Zero Poisson's Ratio, Shape Recovery, and Energy Absorption Features
Abstract
<jats:sec><jats:label /><jats:p>This article introduces novel 3D zero Poisson's ratio (ZPR) metamaterials for reversible energy absorption applications fabricated by 4D printing technology. The designs are introduced based on piecemeal energy absorption (PEA) and conventional energy absorption (CEA) approaches. Topologically, the design of the 3D metamaterials is founded on star‐shaped unit cells herein. To achieve the PEA behavior, horizontal bars are merged into the parent star‐shaped unit cell. This leads to introducing multistiffness unit cells (controllable unit‐cell densifications) to provide stability and different peak force levels during compression. For further evaluation, finite element analysis (FEA) is employed. To illustrate the design functions during physical operation and validate the FEA, lattice‐based metamaterials are fabricated from resin with a shape recovery property by an SLA 3D printer and tested mechanically. Close coincidence is observed between the FEA and the experiments, showing the accuracy of the modeling. A thermal test, via a heating–cooling process, is also carried out to display the shape recovery capability of metamaterials where plastic deformations are fully released, and samples get back to their original shapes. Finally, the newly proposed ZPRs are compared with conventional 3D reentrant metamaterials in terms of energy absorption capacity, demonstrating their considerable mechanical performances.</jats:p></jats:sec>