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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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Schwaiger, Ruth
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (25/25 displayed)
- 2024Enabling High-Performance Hybrid Solid-State Batteries by Improving the Microstructure of Free-Standing LATP/LFP Composite Cathodes
- 2024Controlling shear band instability by nanoscale heterogeneities in metallic nanoglasses
- 2024Microstructure Characterization and Mechanical Properties of Polymer‐Derived (HfₓTa₁₋ₓ)C/SiC Ceramic Prepared upon Field‐Assisted Sintering Technique/Spark Plasma Sintering
- 2024Enabling High-Performance Hybrid Solid-State Batteries by Improving the Microstructure of Free-Standing LATP/LFP Composite Cathodes.citations
- 2024Comparative Study of High-Cycle Fatigue and Failure Mechanisms in Ultrahigh-Strength CrNiMoWMnV Low-Alloy Steels
- 2024Microstructure Characterization and Mechanical Properties of Polymer‐Derived (Hf<sub><i>x</i></sub>Ta<sub>1−<i>x</i></sub>)C/SiC Ceramic Prepared upon Field‐Assisted Sintering Technique/Spark Plasma Sinteringcitations
- 2024Dealing with Missing Angular Sections in NanoCT Reconstructions of Low Contrast Polymeric Samples Employing a Mechanical In Situ Loading Stage
- 2024The effect of grain boundaries and precipitates on the mechanical behavior of the refractory compositionally complex alloy NbMoCrTiAlcitations
- 2023Dealing with missing angular sections in nanoCT reconstructions of low contrast polymeric samples employing a mechanical in situ loading stage
- 20233D‐Printed Inherently Porous Structures with Tetrahedral Lattice Architecture: Experimental and Computational Study of Their Mechanical Behavior
- 2022Lab-based in situ nanoCT as a tool for the 3D structural and mechanical characterization of metamaterials
- 2021Architectural tunability of mechanical metamaterials in the nanometer rangecitations
- 2021Controlling shear band instability by nanoscale heterogeneities in metallic nanoglassescitations
- 2021Optimization of sintering conditions for improved microstructural and mechanical properties of dense Ce0.8Gd0.2O2-δ-FeCo2O4 oxygen transport membranescitations
- 2020Dislocation structures and the role of grain boundaries in cyclically deformed Ni micropillarscitations
- 2020Nanoscale patterning at the Si/SiO<sub>2</sub>/graphene interface by focused He<sup>+</sup> beamcitations
- 2019Size Effect on the Strength and Deformation Behavior of Glassy Carbon Nanopillars
- 2019Sliding wear behavior of fully nanotwinned Cu alloys
- 2018Micromechanics-based investigation of the elastic properties of polymer-modified cementitious materials using nanoindentation and semi-analytical modelingcitations
- 2017Annealing-induced recovery of indents in thin Au(Fe) bilayer films
- 2017Micromechanical study on the deformation behavior of directionally solidified NiAl–Cr eutectic compositescitations
- 2017Micromechanics-based prediction of the elastic properties of polymer-modified cementitious materials
- 2016Hydration of magnesia cubes: a helium ion microscopy study
- 2016Deformation mechanisms and morphology of metallic multilayers revealed by nanosliding and nanoindentation
- 2006Size effects on deformation and fracture of nanostructured metalscitations
Places of action
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document
Lab-based in situ nanoCT as a tool for the 3D structural and mechanical characterization of metamaterials
Abstract
The lab-based X-ray microscope Xradia 810 Ultra with mechanical in situ testing, here referred to as nanoCT, is a versatile tool for structural characterization of complex 3D samples down to 50 nm resolution with and without loading. The load stage is mounted on the CT rotation stage and can exert a maximum force of 0.8 N in compression and indentation experiments. This allows for the observation of microstructural changes as a function of mechanical load (and time). With its low energy X-ray source (Cr source, 5.4 keV), absorption and Zernike phase contrast, the nanoCT configuration is ideal for characterizing polymeric metamaterials at high spatial resolution.Polymeric tetrahedral metamaterials manufactured using 3D direct laser writing method were characterized using the in situ nanoCT before and at different levels of loading. Differences in the structures were obtained scanning the samples in absorption and phase contrast modes, using a field of view of 65 μm and a voxel size of (128 nm)³. While the absorption contrast scan provides suitable images for the segmentation and the digital volume correlation, the phase contrast enhances the pores and defects within the microstructures. Figure 1 shows the deformation of the beams of the tetrahedral sample before and after two levels of loading.