| 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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Zaefferer, Stefan
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (26/26 displayed)
- 2023Combined structural analysis and cathodoluminescence investigations of single Pr3+-doped Ca2Nb3O10 nanosheets
- 2023Electroplasticity Mechanisms in hcp Materialscitations
- 2022Development of a new, fully automated system for electron backscatter diffraction (EBSD)-based large volume three-dimensional microstructure mapping using serial sectioning by mechanical polishing, and its application to the analysis of special boundaries in 316L stainless steelcitations
- 2022Thermodynamics-guided alloy and process design for additive manufacturingcitations
- 2022Hierarchical nature of hydrogen-based direct reduction of iron oxidescitations
- 2021Reducing hot tearing by grain boundary segregation engineering in additive manufacturing: example of an AlxCoCrFeNi high-entropy alloycitations
- 2020Current Challenges and Opportunities in Microstructure-Related Properties of Advanced High-Strength Steelscitations
- 2020Current challenges and opportunities in microstructure-related properties of advanced high-strength steelscitations
- 2020The brittle-to-ductile transition in cold-rolled tungsten sheets: Contributions of grain and subgrain boundaries to the enhanced ductility after pre-deformation
- 2019Processing-controlled suppression of Lüders elongation in AlMgMn alloyscitations
- 2017Micro-damage initiation in ferrite-martensite DP microstructures: a statistical characterization of crystallographic and chemical parameterscitations
- 2017Combinatorial synthesis of high entropy alloys: Introduction of a novel, single phase, body-centered-cubic FeMnCoCrAl solid solutioncitations
- 2017A correlative investigation of grain boundary crystallography and electronic properties in CdTe thin film solar cellscitations
- 20163-Dimensional microstructural characterization of CdTe absorber layers from CdTe/CdS thin film solar cellscitations
- 2015Error analysis of the crystal orientations and disorientations obtained by the classical electron backscatter diffraction techniquecitations
- 2014Kikuchi bandlet method for the accurate deconvolution and localization of Kikuchi bands in Kikuchi diffraction patternscitations
- 2012Microstructural evolution during recrystallization of magnesium alloyscitations
- 2012Influence of rare earth addition on texture development during static recrystallization and mechanical behaviour of magnesium alloy sheetscitations
- 2011Interdigitating biocalcite dendrites form a 3-D jigsaw structure in brachiopod shellscitations
- 2010The effect of grain size and grain orientation on deformation twinning in a Fe-22 wt.% Mn-0.6 wt.% C TWIP steel
- 2009Electron channeling contrast imaging of twins and dislocations in twinning-induced plasticity steels under controlled diffraction conditions in a scanning electron microscope
- 2007Retention of the Goss orientation between microbands during cold rolling of an Fe3%Si single crystal
- 2006Three-dimensional investigation of the texture and microstructure below a nanoindent in a Cu single crystal using 3D EBSD and crystal plasticity finite element simulations
- 2006Overview of microstructure and microtexture development in grain-oriented silicon steel
- 2004Slip system determination by rolling texture measurements around the strength peak temperature in a Fe3Al-based alloy
- 2003Effects of topology on abnormal grain growth in silicon steelcitations
Places of action
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article
Hierarchical nature of hydrogen-based direct reduction of iron oxides
Abstract
Fossil-free ironmaking is indispensable for reducing massive anthropogenic CO2 emissions in the steel industry. Hydrogen-based direct reduction (HyDR) is among the most attractive solutions for green ironmaking, with high technology readiness. The underlying mechanisms governing this process are characterized by a complex interaction of several chemical (phase transformations), physical (transport), and mechanical (stresses) phenomena. Their interplay leads to rich microstructures, characterized by a hierarchy of defects ranging across several orders of magnitude in length, including vacancies, dislocations, internal interfaces, and free surfaces in the form of cracks and pores. These defects can all act as reaction, nucleation, and diffusion sites, shaping the overall reduction kinetics. A clear understanding of the roles and interactions of these dynamically-evolving nano-/microstructure features is missing. Gaining better insights into these effects could enable improved access to the microstructure-based design of more efficient HyDR methods, with potentially high impact on the urgently needed decarbonization in the steel industry.