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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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Olive, Jean-Marc
Institut de Mathématiques de Marseille
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (15/15 displayed)
- 2023Compelling Evidence for the Role of Retained Austenite in the Formation of Low Cycle Fatigue Extrusions in a 9Ni Steel
- 2023Compelling Evidence for the Role of Retained Austenite in the Formation of Low Cycle Fatigue Extrusions in a 9Ni Steel
- 2023Mechanical Properties and Wear Susceptibility Determined by Nanoindentation Technique of Ti13Nb13Zr Titanium Alloy after “Direct Laser Writing”citations
- 2023Influence of Surface Laser Treatment on Mechanical Properties and Residual Stresses of Titanium and its Alloyscitations
- 2023KPFM analyses to evaluate the cathodic hydrogen charging of a lean duplex stainless steel
- 2023KPFM analyses to evaluate the cathodic hydrogen charging of a lean duplex stainless steel
- 2021Effect of double thermal and electrochemical oxidation on titanium alloys for medical applicationscitations
- 2020Influence of Two-Stage Anodization on Properties of the Oxide Coatings on the Ti–13Nb–13Zr Alloycitations
- 2019Remote imaging of single cell 3D morphology with ultrafast coherent phonons and their resonance harmonicscitations
- 2019Remote imaging of single cell 3D morphology with ultrafast coherent phonons and their resonance harmonicscitations
- 2018Mechanical behavior of steel scaffolds made by selective laser melting
- 2016A methodology to obtain data at the slip-band scale from atomic force microscopy observations and crystal plasticity simulations. Application to hydrogen-induced slip localization on AISI 316L stainless steelcitations
- 2015Characterization of intergranular stress corrosion cracking behavior of a FSW Al-Cu-Li 2050 nuggetcitations
- 2015Mechanical behavior of periodical microstructure induced by friction stir welding on Al–Cu–Li 2050 alloycitations
- 2014Effects of microstructure and local mechanical fields on intergranular stress corrosion cracking of a friction stir welded aluminum–copper–lithium 2050 nuggetcitations
Places of action
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document
Mechanical behavior of periodical microstructure induced by friction stir welding on Al–Cu–Li 2050 alloy
Abstract
Mechanical behavior analysis of the friction stir weld nugget of an aluminum alloy 2050 reveals a major role of the microstructure which varies with the distance to the weld surface. Three types of microstructure heterogeneities are considered namely grain size, precipitation state and textured bands. The grain size and the T1 precipitates density decrease with the distance from the weld surface. The density of T1 precipitates has a first order effect on micro-hardness variations and makes the Hall–Petch rule not valid in this case. Tensile tests combined with strain field identification done by digital image correlation measurements demonstrate the good correlation between textured bands and strain field heterogeneities. Crystal plasticity simulations by finite element method well account for the macroscopic mechanical behavior as well as strain field in textured bands. ; This work was financially supported by the ANR MatetPro program ANR-08-MAPR-0020-05 (Coralis project, Corrosion of Aluminium Lithium Structures).