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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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| Kočí, Jan | Prague |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Ali, M. A. |
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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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Perdahcioglu, Emin Semih
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (10/10 displayed)
- 2022Periodic Homogenization in Crystal Plasticity
- 2020An RVE-Based Study of the Effect of Martensite Banding on Damage Evolution in Dual Phase Steelscitations
- 2019Prediction of void growth using gradient enhanced polycrystal plasticitycitations
- 2018Investigation of microstructural features on damage anisotropy
- 2018Investigation of anisotropic damage evolution in dual phase steels
- 2017Implementation and application of a gradient enhanced crystal plasticity modelcitations
- 2017Numerical investigation of void growth with respect to lattice orientation in bcc single crystal structure
- 2016Constitutive modeling of hot horming of austenitic stainless steel 316LN by accounting for recrystallization in the dislocation evolution
- 2013Modeling of the Austenite-Martensite Transformation in Stainless and TRIP Steelscitations
- 2013Strain direction dependency of martensitic transformation in austenitic stainless steels: The effect of gamma-texturecitations
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article
An RVE-Based Study of the Effect of Martensite Banding on Damage Evolution in Dual Phase Steels
Abstract
The intent of this work is to numerically investigate the effect of second phase morphology on damage evolution characteristics of dual-phase (DP) steels. A strain gradient enhanced crystal plasticity framework is used in order to capture the deformation heterogeneity caused by lattice orientations and microstructural size effects. The investigation is focused on two different martensite<br/>distributions (banded and random) that are relevant for industrial applications. The effects of martensite morphology are compared by artificially generated 2D plane strain microstructures with initial void content. The Representative volume elements (RVEs) are subjected to tensile deformation imposed by periodic boundary conditions. Evolution of voids are analyzed individually as well as a<br/>whole and characterized with respect to average axial strain. It is found that during stretching voids exhibit varying evolution characteristics due to generation of inhomogeneous strain fields within the structure. The behavior of individual voids shows that the stress-state surrounding the void is different from the imposed far field macroscopic stress-state. The voids at the ferrite martensite interface and in ferrite grains of the randomly distributed martensite grow more than in the banded structure. On the other hand, voids formed by martensite cracking growth shows an opposite trend.