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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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Kouznetsova, Varvara G.
Eindhoven University of Technology
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (11/11 displayed)
- 2024A multiscale FEM-MD coupling method for investigation into atomistic-scale deformation mechanisms of nanocrystalline metals under continuum-scale deformationcitations
- 2024An integrated experimental-numerical study of martensite/ferrite interface damage initiation in dual-phase steelscitations
- 2024A two-scale approach for assessing the role of defects in fatigue crack nucleation in metallic structurescitations
- 2022Multi‑Scale Modeling of the Thermo‑Mechanical Behavior of Cast Ironcitations
- 2022A multi-scale framework to predict damage initiation at martensite/ferrite interfacecitations
- 2021A simplified formula to estimate the size of the cyclic plastic zone in metals containing elastic particlescitations
- 2021Revisiting the martensite/ferrite interface damage initiation mechanism: The key role of substructure boundary slidingcitations
- 2018Advances in delamination modeling of metal/polymer systems: continuum aspectscitations
- 2017Unraveling the apparent ductility of lath martensite
- 2016Microstructural study of the mechanical response of compacted graphite ironcitations
- 2015Retardation of plastic instability via damage-enabled micro-strain delocalizationcitations
Places of action
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article
An integrated experimental-numerical study of martensite/ferrite interface damage initiation in dual-phase steels
Abstract
Martensite/ferrite (M/F) interface damage is relevant to failure of many dual-phase (DP) steels, but the underlying microscale mechanisms remain unclear. Through an integrated experimental-numerical study, this work examines the recent hypothesis that (lath) martensite substructure boundary sliding triggers and dominates M/F interface damage initiation accompanied by apparent martensite plasticity. The mesoscale morphology and prior austenite grain reconstruction are used as modelling inputs. A multi-scale framework is adopted to predict the interface damage initiation. The M/F interface damage initiation sites predicted by the model based on a sliding-triggered interface damage mechanism adequately agree with those identified from in-situ experiments,<br/>confirming the key role of substructure boundary sliding. Moreover, the M/F interface damage initiation strongly correlates with a low M/F strain partitioning rather than the commonly accepted strong M/F strain partitioning. This fundamental understanding is instrumental for the future optimization of DP steel microstructures.