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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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Santo, Philippe Dal
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Topics
Publications (6/6 displayed)
- 2016Creep age forming of Al-Cu-Li alloy: Application to thick sheet forming of double curvature aircraft panel
- 2014Influence of the edge rounding process on the behaviour of blanked parts: numerical predictions with experimental correlationcitations
- 2014Cold forming by stretching of aeronautic sheet metal partscitations
- 2013Analysis of the blank holder force effect on the preforming process using a simple discrete approachcitations
- 2011Development of a microscopic damage model for low stress triaxialitycitations
- 2011Comprehension of chip formation in laser assisted machiningcitations
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article
Development of a microscopic damage model for low stress triaxiality
Abstract
This work deals a contribution to ductile damage of High-Strength Low-Alloy (HSLA) steel steels under low stress triaxiality. This work is based on micrographics observations and in situ shear tests to examine the evolution of microstructure in this kind of loading and to identify the damage process associated. Numerical simulations by finites elements has been performed to simulate the material behavior of nucleation mechanism and the interaction between cavities during the coalescence phase, as well as the effect of the relative position of the inclusions in the shear plane. The model used as a reference in this work is the Gurson-Tvergaard- Needleman (GTN) model. It has been recently improved in order to take into account the effects of low triaxiality during shearing. The implementation of this model in a finite element code is in progress.