| 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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Lienert, Ulrich
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (29/29 displayed)
- 2023Characterization of Irradiation Damage Using X-Ray Diffraction Line-Profile Analysiscitations
- 2023Characterization of Irradiation Damage Using X-Ray Diffraction Line-Profile Analysiscitations
- 2023High-resolution reciprocal space mapping reveals dislocation structure evolution during 3D printingcitations
- 2023MiniMelt: An instrument for real-time tracking of electron beam additive manufacturing using synchrotron x-ray techniquescitations
- 2023Anisotropic strain variations during the confined growth of Au nanowirescitations
- 2023Dislocation density transients and saturation in irradiated zirconiumcitations
- 2023Dislocation density transients and saturation in irradiated zirconiumcitations
- 2022Microstructural Constituents and Mechanical Properties of Low-Density Fe-Cr-Ni-Mn-Al-C Stainless Steelscitations
- 2022Thickness and composition of native oxides and near-surface regions of Ni superalloyscitations
- 2022Thickness and composition of native oxides and near-surface regions of Ni superalloyscitations
- 2022Hydrogen-Induced Micro-Strain Evolution in Super Duplex Stainless Steel—Correlative High-Energy X-Ray Diffraction, Electron Backscattered Diffraction, and Digital Image Correlationcitations
- 2022Separation of XRD peak profiles in single-phase metals with bimodal grain structure to analyze stress partitioningcitations
- 2022Separation of XRD peak profiles in single-phase metals with bimodal grain structure to analyze stress partitioningcitations
- 2021Corrosion-induced microstructure degradation of copper in sulfide-containing simulated anoxic groundwater studied by synchrotron high-energy X-ray diffraction and ab-initio density functional theory calculationcitations
- 2020A multi-scale deformation analysis for a particulate composite at the rigidity thresholdcitations
- 2020Operando time- and space-resolved high-energy X-ray diffraction measurement to understand hydrogen-microstructure interactions in duplex stainless steelcitations
- 2019Monitoring microstructural evolution in-situ during cyclic loading with high-resolution reciprocal space mappingcitations
- 2019Monitoring microstructural evolution in-situ during cyclic loading with high-resolution reciprocal space mapping:Papercitations
- 2018Correlation of precipitate evolution with Vickers hardness in Haynes® 282® superalloy: In-situ high-energy SAXS/WAXS investigationcitations
- 2018Correlation of precipitate evolution with Vickers hardness in Haynes® 282® superalloy : In-situ high-energy SAXS/WAXS investigationcitations
- 2017Martensite formation during incremental cooling of Fe-Cr-Ni alloys: An in-situ bulk X-ray study of the grain-averaged and single-grain behaviorcitations
- 2016Combined near- and far-field high-energy diffraction microscopy dataset for Ti-7Al tensile specimen elastically loaded in situcitations
- 2015A rotational and axial motion system load frame insert for in situ high energy x-ray studiescitations
- 2015On the deformation twinning of Mg AZ31Bcitations
- 2015On the deformation twinning of Mg AZ31B:A three-dimensional synchrotron X-ray diffraction experiment and crystal plasticity finite element modelcitations
- 2015On the deformation twinning of Mg AZ31B: A three-dimensional synchrotron X-ray diffraction experiment and crystal plasticity finite element modelcitations
- 2014In Situ Characterization of Twin Nucleation in Pure Ti Using 3D-XRDcitations
- 2014Slip systems and dislocation densities in individual grains of polycrystalline aggregates of plastically deformed CoTi and CoZr alloyscitations
- 2014High-Resolution Reciprocal Space Mapping for Characterizing Deformation Structurescitations
Places of action
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article
On the deformation twinning of Mg AZ31B
Abstract
Crystals with a hexagonal close-packed (HCP) structure are inherently anisotropic, and have a limited number of independent slip systems, which leads to strong deformation textures and reduced formability in polycrystalline products. Tension along the c-axis of the crystal ideally activates extension twinning as a deformation mode due to the lack of easy-slip systems. In this work, experiments were devised to study extension twinning in a polycrystalline Mg alloy AZ31B with a strong basal rolling texture by tensile deformation parallel to the plate normal. Three-dimensional synchrotron X-ray diffraction (3DXRD) was used to map the center-of-mass positions, volumes, orientations, elastic strains, and stress tensors of over 1400 grains in-situ up to a true strain of 1.4%. More than 700 tensile twins were observed to form in the mapped volume under deformation. The measured center-of-mass positions and grain volumes are used to construct various 3D microstructures and model them with a Crystal Plasticity Finite Element (CPFE) code. It is observed that the average grain-resolved stress did not always select the highest ranked Schmid factor twin variant. In fact, the contribution of lower ranked variants was non-negligible. The CPFE simulation indicates that there is a small variation in the stress within each grain in the elastic regime, which increases drastically upon the onset of plasticity. One of the significant outcomes of this work is the new statistical information on the interaction between twin and parent grain. It is shown that, on average, there is a small difference between the stress normal to the twin habit plane in the parent and twin, but that this is not the case for the shear acting on the habit plane.