| 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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Winther, Grethe
Technical University of Denmark
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (55/55 displayed)
- 20243D microstructural and strain evolution during the early stages of tensile deformationcitations
- 2024Microstructure and stress mapping in 3D at industrially relevant degrees of plastic deformationcitations
- 2024Microstructure and stress mapping in 3D at industrially relevant degrees of plastic deformationcitations
- 2024Microstructure and stress mapping in 3D at industrially relevant degrees of plastic deformationcitations
- 2024Recrystallization and mechanical behavior of Co 40 (CrFeNi) 60 medium-entropy alloy
- 2022High-resolution 3D X-ray diffraction microscopy: 3D mapping of deformed metal microstructurescitations
- 2022High-resolution 3D X-ray diffraction microscopy: 3D mapping of deformed metal microstructurescitations
- 2022Anisotropic yield surfaces of additively manufactured metals simulated with crystal plasticitycitations
- 2022Area determination with pile-up and sink-in in nanoindentation of oxygen containing titaniumcitations
- 2022Area determination with pile-up and sink-in in nanoindentation of oxygen containing titaniumcitations
- 2022Impact of the plastic deformation microstructure in metals on the kinetics of recrystallization: A phase-field studycitations
- 2022Analysis of inter- and intragranular variations based on 3DXRD data and crystal plasticitycitations
- 2021Extreme hardening of titanium with colossal interstitial contents of nitrogen and oxygencitations
- 2021Extreme hardening of titanium with colossal interstitial contents of nitrogen and oxygencitations
- 2020Anisotropy effects on gaseous nitriding of austenitic stainless steel single crystalscitations
- 2020Anisotropy effects on gaseous nitriding of austenitic stainless steel single crystalscitations
- 2020Deformation mechanisms in meta-stable and nitrogen-stabilized austenitic stainless steel during severe surface deformationcitations
- 2020Deformation mechanisms in meta-stable and nitrogen-stabilized austenitic stainless steel during severe surface deformationcitations
- 2020Theoretical development of continuum dislocation dynamics for finite-deformation crystal plasticity at the mesoscalecitations
- 2019Change of the Decorative Properties of Zinc-Plated Zinc Die Castings over Timecitations
- 2019A sheet metal necking formability diagram for nonlinear strain paths
- 2018High temperature solution-nitriding and low-temperature nitriding of AISI 316: Effect on pitting potential and crevice corrosion performancecitations
- 2018High temperature solution-nitriding and low-temperature nitriding of AISI 316: Effect on pitting potential and crevice corrosion performancecitations
- 2018Residual stress in expanded austenite on stainless steel; origin, measurement, and predictioncitations
- 2018Residual stress in expanded austenite on stainless steel; origin, measurement, and predictioncitations
- 2018Numerical Modelling of Mechanical Anisotropy during Low Temperature Nitriding of Stainless Steel
- 2018Expanded austenite; from fundamental understanding to predicting composition- and stress-depth profiles
- 2018Expanded austenite; from fundamental understanding to predicting composition- and stress-depth profiles
- 2017Measured resolved shear stresses and Bishop-Hill stress states in individual grains of austenitic stainless steelcitations
- 2017Measured resolved shear stresses and Bishop-Hill stress states in individual grains of austenitic stainless steelcitations
- 2017On the elusive crystal structure of expanded austenitecitations
- 2017Measurement and tailoring of residual stress in expanded austenite on austenitic stainless steelcitations
- 2017Measurement and tailoring of residual stress in expanded austenite on austenitic stainless steelcitations
- 2016Effect of Plastic Pre-straining on Residual Stress and Composition Profiles in Low-Temperature Surface-Hardened Austenitic Stainless Steelcitations
- 2016Effect of Plastic Pre-straining on Residual Stress and Composition Profiles in Low-Temperature Surface-Hardened Austenitic Stainless Steelcitations
- 2016Analysis of experimental grain scale data in a crystal plasticity framework
- 2016Prediction of dislocation boundary characteristics
- 2016Elastic interaction between twins during tensile deformation of austenitic stainless steelcitations
- 2016Low-Temperature Nitriding of Deformed Austenitic Stainless Steels with Various Nitrogen Contents Obtained by Prior High-Temperature Solution Nitridingcitations
- 2016Low-Temperature Nitriding of Deformed Austenitic Stainless Steels with Various Nitrogen Contents Obtained by Prior High-Temperature Solution Nitridingcitations
- 2016Low temperature surface hardening of stainless steel; the role of plastic deformation
- 2016Low temperature surface hardening of stainless steel; the role of plastic deformation
- 2015Microstructural evolution at multiple scales during plastic deformation
- 2015Deformation-induced microstructural evolution at grain scale
- 2015Deformation-induced orientation spread in individual bulk grains of an interstitial-free steelcitations
- 2015Influence of Microstructure and Process Conditions on Simultaneous Low-Temperature Surface Hardening and Bulk Precipitation Hardening of Nanoflex®citations
- 2015Influence of Microstructure and Process Conditions on Simultaneous Low-Temperature Surface Hardening and Bulk Precipitation Hardening of Nanoflex®citations
- 2014Grain centre mapping - 3DXRD measurements of average grain characteristics.
- 2012Strain distribution during tensile deformation of nanostructured aluminum samplescitations
- 2012Effect of hardness of martensite and ferrite on void formation in dual phase steelcitations
- 2012Length scale effects on deformation microstructure formation in the near-micrometre grain size regime
- 2011Danish Chinese Center for Nanometals
- 2011Grain-resolved elastic strains in deformed copper measured by three-dimensional X-ray diffractioncitations
- 2010Strain rate dependence of the flow stress in nanostructured aluminium sheets produced by accumulative roll bonding
- 2009Slip systems, dislocation boundaries and lattice rotations in deformed metals
Places of action
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article
Residual stress in expanded austenite on stainless steel; origin, measurement, and prediction
Abstract
<p>Expanded austenite is a supersaturated solid solution of nitrogen/carbon in austenite that forms as a case by the diffusion of nitrogen/carbon into austenitic stainless steel. Expanded austenite has a high level of hardness that provides resistance against galling and wear, superior resistance against localized corrosion, and contributes to improvement of the fatigue performance. This latter characteristic is a consequence of the huge compressive residual stresses in the expanded austenite case. Such stresses are induced by the high interstitial content in the austenite lattice and are accommodated elasto-plastically. The experimental assessment of the elastic lattice strains is complicated by the presence of steep composition-depth and stress-depth profiles, which necessitate special measurement or correction procedures to unravel the influence of composition and stress on the lattice spacing and avoid artifacts arising from (steep) lattice-spacing gradients. In the present work the sin<sup>2</sup>Ψ method was combined with grazing incidence X-ray diffraction to keep the information depth during measurement shallow, independent of the (effective) tilt angle Ψ. The plastic strains in the expanded austenite 27 zone were estimated from the lattice rotations, as determined with electron backscatter diffraction. It is demonstrated that the level of elastic lattice strains in expanded austenite can be adjusted by retracting part of the dissolved nitrogen. The experimental results for elastic and plastic strains are compared to those predicted by a comprehensive numerical model that simulates the time-dependent development of composition-depth and stress-depth profiles in expanded austenite. The work described in this manuscript is a combination of a review of previously achieved and published results as well as the newest results of ongoing research activities.</p>