Ahmed El Bartali

Documents

Publications

Rapid estimation of microstructure using infrared imaging and solidification modeling in wire-laser directed energy deposition

Quentin Dollé , Michèle Bréhier , Emmanuel Berté , Jean-Francois Witz , Christophe Tournier et al.

2026

Pré-publication, Document de travail hal-05516984v1

Comparison of Hall-Petch Law with an Elastic Limit Identification Method Using Kinematic Field Measurements

Q Hu , A Beaurain , J F Witz , A El Bartali , D Najjar

Experimental Mechanics, 2025, ⟨10.1007/s11340-024-01140-3⟩

Article dans une revue hal-05450544v1

Does Atmospheric Corrosion Alter the Sound Quality of the Bronze Used for Manufacturing Bells?

Mourad Bentahar , Aline Petitmangin , Caroline Blanc , Anne Chabas , Silvio Montresor et al.

Materials, 2023, 16 (13), pp.4763. ⟨10.3390/ma16134763⟩

Article dans une revue hal-04260826v1

Experimental investigation of early strain heterogeneities and localizations in polycrystalline α -Fe during monotonic loading

Adrien Berger , Jean-Francois Witz , Ahmed El Bartali , Tarik Sadat , Nathalie Limodin et al.

International Journal of Plasticity, 2022, 153, pp.103253. ⟨10.1016/j.ijplas.2022.103253⟩

Article dans une revue hal-03775644v1

2D and 3D Characterization of Damage Mechanisms in A319 Alloy

Alexis dos Santos , Jérôme Hosdez , Nathalie Limodin , A. El Bartali , A. Tandjaoui et al.

Experimental Mechanics, 2022, ⟨10.1007/s11340-022-00917-8⟩

Article dans une revue hal-03833519v1

CristalX: Facilitating simulations for experimentally obtained grain-based microstructures

Zoltan Csati , Jean-Francois Witz , Vincent Magnier , Ahmed El Bartali , Nathalie Limodin et al.

SoftwareX, 2021, 14, pp.100669. ⟨10.1016/j.softx.2021.100669⟩

Article dans une revue hal-03409334v1

Coupling of X‐ray computed tomography and surface in situ analysis combined with digital image correlation method to study low cycle fatigue damage micromechanisms in lost foam casting A319 alloy

Long Wang , Nathalie Limodin , Ahmed El Bartali , Eric Charkaluk

Fatigue and Fracture of Engineering Materials and Structures, 2021, 44 (4), pp.916-932. ⟨10.1111/ffe.13402⟩

Article dans une revue hal-03157246v1

Application of Synchrotron Radiation–Computed Tomography In-Situ Observations and Digital Volume Correlation to Study Low-Cycle Fatigue Damage Micromechanisms in Lost Foam Casting A319 Alloy

Long Wang , N. Limodin , Ahmed El Bartali , Jean-Francois Witz , Jean-Yves Buffiere et al.

Metallurgical and Materials Transactions A, 2020, 51 (8), pp.3843-3857. ⟨10.1007/s11661-020-05839-5⟩

Article dans une revue hal-02891999v1

Infrared thermography coupled with digital image correlation in studying plastic deformation on the mesoscale level

Xiaogang Wang , Jean-Francois Witz , Ahmed El Bartali , Chao Jiang

Optics and Lasers in Engineering, 2016, 86, pp.264-274. ⟨10.1016/j.optlaseng.2016.06.001⟩

Article dans une revue hal-01343285v1

Influence of pores on crack initiation in monotonic tensile and cyclic loadings in lost foam casting A319 alloy by using 3D in-situ analysis

Long Wang , Nathalie Limodin , Ahmed El Bartali , Jean-Francois Witz , Rian Seghir et al.

Materials Science and Engineering, 2016, 673, pp.362-372. ⟨10.1016/j.msea.2016.07.036⟩

Article dans une revue hal-01433827v1

Damage Investigation in A319 Aluminium Alloy by X-ray Tomography and Digital Volume Correlation during In Situ High-Temperature Fatigue Tests

Nora Dahdah , Nathalie Limodin , Ahmed El Bartali , Jean-Francois Witz , Rian Seghir et al.

Strain, 2016, 52 (4), pp.324-335. ⟨10.1111/str.12193⟩

Article dans une revue hal-01419328v1

Numerical investigation of fatigue strength of grain size gradient materials under heterogeneous stress states in a notched specimen

Pierre Baudoin , Vincent Magnier , Ahmed El Bartali , Jean-François Witz , Philippe Dufrenoy et al.

International Journal of Fatigue, 2016, 87, pp.132-142. ⟨10.1016/j.ijfatigue.2016.01.022⟩

Article dans une revue hal-01279003v1

A Dedicated DIC Methodology for Characterizing Plastic Deformation in Single Crystals

Xiaogang Wang , Jean-François Witz , Ahmed El Bartali , Abdelali Oudriss , Rian Seghir et al.

Experimental Mechanics, 2016, 56 (7), pp.1155-1167. ⟨10.1007/s11340-016-0159-9⟩

Article dans une revue hal-01358974v1

Influence of the Casting Process in High Temperature Fatigue of A319 Aluminium Alloy Investigated By In-Situ X- Ray Tomography and Digital Volume Correlation

Nora Dahdah , Nathalie Limodin , Ahmed El Bartali , Jean-François Witz , Rian Seghir et al.

Procedia Structural Integrity, 2016, 2, pp.3057-3064. ⟨10.1016/j.prostr.2016.06.382⟩

Article dans une revue hal-01612309v1

In situ 3D characterization of high temperature fatigue damage mechanisms in a cast aluminum alloy using synchrotron X-ray tomography

Sébastien Dezecot , Jean-Yves Buffiere , Alain Köster , Vincent Maurel , Fabien Szmytka et al.

Scripta Materialia, 2016, 113, pp.254-258. ⟨10.1016/j.scriptamat.2015.11.017⟩

Article dans une revue hal-01255815v1

Quantitative infrared thermography applied to subgrain scale and the effect of out-of-plane deformation

Xiaogang Wang , Jean-Francois Witz , Ahmed El Bartali , Abdelali Oudriss , Chao Jiang

Infrared Physics and Technology, 2015, 71, pp.432-438. ⟨10.1016/j.infrared.2015.06.003⟩

Article dans une revue hal-01204511v1

Application of X-ray microtomography to study the influence of the casting microstructure upon the tensile behaviour of an Al-Si alloy

N. Limodin , Ahmed El Bartali , Long Wang , J. Lachambre , Jean-Yves Buffiere et al.

Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 2014, 324, pp.57-62. ⟨10.1016/j.nimb.2013.07.034⟩

Article dans une revue hal-00955455v1

On the influence of microstructural gradients in the fatigue lifetime estimation of a railway axle

Pierre Baudoin , Vincent Magnier , Ahmed El Bartali , François Witz , Philippe Dufrenoy et al.

MATEC Web of Conferences, 2013, 7, ⟨10.1051/matecconf/20130701007⟩

Article dans une revue hal-01625249v1

K-S Relationship Identification Technique by EBSD

Maria-Cecilia Marinelli , M.G. Moscato , Javier W. Signorelli , Ahmed El Bartali , Iris Alvarez-Armas

Key Engineering Materials, 2011, 465, pp.415-418. ⟨10.4028/www.scientific.net/KEM.465.415⟩

Article dans une revue hal-00559217v1

Influence of boundary conditions on bi-phased polycrystal microstructure calculation

Pierre Evrard , Ahmed El Bartali , Véronique Aubin , Colette Rey , Suzanne Degallaix et al.

International Journal of Solids and Structures, 2010, 47 (16), pp.1979-1986. ⟨10.1016/j.ijsolstr.2010.03.016⟩

Article dans une revue hal-00488072v1

Strain heterogeneities between phases in a duplex stainless steel. Comparison between measures and simulation

Ahmed El Bartali , Pierre Evrard , Véronique Aubin , S. Herenu , Iris Alvarez-Armas et al.

FATIGUE 2010, 2010, 2 (1), pp.2229-2237. ⟨10.1016/j.proeng.2010.03.239⟩

Article dans une revue hal-00761238v1

Strain heterogeneities between phases in a duplex stainless steel. Comparison between measures and simulation

Ahmed El Bartali , Pierre Evrard , Véronique Aubin , S. Herenu , I. Alvarez-Armas et al.

Procedia Engineering, 2010, 2 (1), pp.2229-2237. ⟨10.1016/j.proeng.2010.03.239⟩

Article dans une revue hal-00658483v1

Activated slip systems and microcrack path in LCF of a duplex stainless steel

A.C. Marinelli , Ahmed El Bartali , J. Signorelli , Pierre Evrard , Véronique Aubin et al.

Materials Science and Engineering: A, 2009, 509 (1-2), pp.81-88. ⟨10.1016/j.msea.2009.01.012⟩

Article dans une revue istex hal-00761283v1

Surface observation and measurement techniques to study the fatigue damage micromechanisms in a duplex stainless steel

Ahmed El Bartali , Véronique Aubin , Suzanne Degallaix

International Journal of Fatigue, 2009, 31 (11-12), pp.2049-2055. ⟨10.1016/j.ijfatigue.2008.11.003⟩

Article dans une revue istex hal-00761259v1

Microcrack growth and fatigue behavior of a duplex stainless steel

M. Balbi , M. Avalos , Ahmed El Bartali , Iris Alvarez-Armas

International Journal of Fatigue, 2009, 31 (11-12), pp.2006-2013. ⟨10.1016/j.ijfatigue.2008.12.007⟩

Article dans une revue hal-00411971v1

Activated slip systems and microcrack path in LCF of a duplex stainless steel

Maria-Cecilia Marinelli , Ahmed El Bartali , Javier W. Signorelli , Pierre Evrard , Véronique Aubin et al.

Materials Science and Engineering: A, 2009, 509 (1-2), pp.81-88. ⟨10.1016/j.msea.2009.01.012⟩

Article dans une revue istex hal-00376732v1

Study of Fatigue Damage Micromechanisms in a Duplex Stainless Steel by Complementary Analysis Techniques

Ahmed El Bartali , Véronique Aubin , Suzanne Degallaix

Advanced Engineering Materials, 2009, 11 (9), pp.727-731. ⟨10.1002/adem.200900038⟩

Article dans une revue istex hal-00761445v1

Identification and analysis of slip systems activated during low-cycle fatigue in a duplex stainless steel

Ahmed El Bartali , Véronique Aubin , L. Sabatier , Suzanne Degallaix , Patrick Villechaise

Scripta Materialia, 2008, 59 (12), pp.1231-1234. ⟨10.1016/j.scriptamat.2008.07.044⟩

Article dans une revue istex hal-00761480v1

Identification and analysis of slip systems activated during low-cycle fatigue in a duplex stainless steel

Ahmed El Bartali , Véronique Aubin , Laurent Sabatier , Patrick Villechaise , Suzanne Degallaix

Scripta Materialia, 2008, 59 (12), pp.1231-1234. ⟨10.1016/j.scriptamat.2008.07.044⟩

Article dans une revue istex hal-00333440v1

Fatigue damage analysis in a duplex stainless steel by digital image correlation technique

Ahmed El Bartali , Véronique Aubin , Suzanne Degallaix

Fatigue and Fracture of Engineering Materials and Structures, 2008, 31 (2), pp.137-151. ⟨10.1111/j.1460-2695.2007.01207.x⟩

Article dans une revue istex hal-00761463v1

Identification of behavior and damage mechanism in fatigue of ferrite-pearlite steel with microstructure gradient

Nagesh Narasimha Prasad , Adrien Berger , Ahmed El Bartali , Nathalie Limodin , Jean-François Witz et al.

39èmes Journées de Printemps: Fatigue sous gradient de contrainte, May 2023, Paris, France. 2023

Poster de conférence hal-04105854v1

Experimental investigation of early strain localizations on polycrystalline α-Fe in cyclic loading.

Nagesh NARASIMHA PRASAD , Ahmed El Bartali , Jean-Francois Witz , Nathalie Limodin , Denis Najjar

BSSM's 17th International conference on advances in experimental mechanics, British Society for Strain Measurements, Aug 2023, Glasgow, United Kingdom

Communication dans un congrès hal-04247957v1

Corrélation d’images stéréoscopiques à l’échelle des grains : Application à la déformation par fatigue plastique d’un acier inoxydable 316L

Eddy Caron , Arnaud Beaurain , A. Berger , Ahmed El Bartali , Vincent Magnier et al.

25ème Congrès Français de Mécanique (CFM), Association Française de Mécanique (AFM), Aug 2022, Nantes, France

Communication dans un congrès hal-04492268v1

Calibration et reconstruction 3D à l'échelle microscopique de champ mécanique par la méthode polynomiale de Soloff

Eddy Caron , Arnaud Beaurain , Jean-Francois Witz , Ahmed El Bartali , Vincent Magnier

25e Congrès Français de Mécanique (CFM 2022), Aug 2022, Nantes, France

Communication dans un congrès hal-03812095v1

Damage mechanisms in an aluminium-silicon alloy with a controlled defect

Alexis dos Santos , Jérôme Hosdez , N. Limodin , Jean-Francois Witz , Ahmed El Bartali et al.

17th International Conference on Aluminum Alloys ICAA17, Oct 2020, Grenoble, France

Communication dans un congrès hal-03021172v1

Etude des micro-mécanismes d’endommagement associés à un défaut maîtrisé dans une éprouvette en alliage d’aluminium

Alexis dos Santos , Amina Tandjaoui , Nathalie Limodin , Ahmed El Bartali , Jean-Francois Witz et al.

Matériaux 2018, Fédération Française des Matériaux, Nov 2018, Strasbourg, France

Communication dans un congrès hal-02344481v1

Low Cycle Fatigue of a Lost Foam Cast Al-Si-Cu alloy: study of the damage mechanisms with X-ray tomography and Digital Volume Correlation

Nathalie Limodin , Long Wang , Nora Dahdah , Ahmed El Bartali , Jean-Francois Witz et al.

Fatigue 2018, May 2018, Poitiers, France

Communication dans un congrès hal-01807449v1

Characterisation of 3D damage mechanisms of a cast Al alloy during in‐situ high temperature low cycle fatigue tests using Synchrotron X‐ray tomography and digital volume correlation

Nora Dahdah , N Limodin , Ahmed El Bartali , Jean-Francois Witz , Eric Charkaluk et al.

3rd International Conference on Tomography of Materials and Structures (ICTMS 2017), Jun 2017, Lund, Sweden

Communication dans un congrès hal-01669924v1

Influence du gradient de microstructure sur les propriétés thermomécaniques dans un rail du secteur ferroviaire

Emmanuel Berte , François Bari , Jean-François Witz , Ahmed El Bartali , Philippe Dufrénoy et al.

CFM 2017 - 23e Congrès Français de Mécanique, Aug 2017, Lille, France

Communication dans un congrès hal-03465267v1

Application de la tomographie à rayons X à la caractérisation de la microstructure et des mécanismes d'endommagement d'un alliage AlSi7Cu3

Long Wang , Nora Dahdah , Nathalie Limodin , Ahmed El Bartali , Jean-Francois Witz et al.

XIIe Colloque Rayons X et Matière, Nov 2017, Lille, France. pp.91

Communication dans un congrès hal-01736338v1

Isothermal low cycle fatigue of a lost foam cast Al-Si-Cu alloy: study of the damage mechanisms with synchrotron X-ray tomography and Digital Volume Correlation

Nathalie Limodin , Long Wang , Nora Dahdah , Ahmed El Bartali , Jean-Francois Witz et al.

LCF8 Eighth International Conference on Low Cycle Fatigue, Jun 2017, Dresden, Germany. pp.41

Communication dans un congrès hal-01617612v1

Elasto-Plastic Parameter Identification in a Recrystallized Iron Specimen of Heterogeneous Grain Size

Pierre Baudoin , Vincent Magnier , Jean-Francois Witz , Ahmed El Bartali , Philippe Dufrenoy et al.

67th Japanese Joint Conference for the Technology of Plasticity. October 21 – 23, 2016, Saitama, Oct 2016, Saitama, Japan

Communication dans un congrès hal-01769482v1

Experimental investigation of kinematic and thermal localizations of perforated plate under plastic deformations

L Li , C Martel , Ahmed El Bartali , Jean-Francois Witz , Eric Charkaluk

The 13th Quantitative InfraRed Thermography Conference (QIRT 2016), Aug 2016, Gdansk, Poland

Communication dans un congrès hal-01770119v1

Analysis of fatigue cracks initiation and growth in an Al-Si-Cu alloy using in-situ fatigue tests under synchrotron x-ray tomography coupled with digital volume correlation

Nathalie Limodin , Long Wang , Nora Dahdah , Ahmed El Bartali , Jean-Francois Witz et al.

International Conf. on Fatigue Damage of Structural Materials XI, Sep 2016, Hyannis, United States

Communication dans un congrès hal-01736334v1

Study of damage mechanisms in A319 aluminium alloy by X-ray tomography and Digital Volume Correlation

Nora Dahdah , Nathalie Limodin , Ahmed El Bartali , Jean-Francois Witz , Rian Seghir et al.

Photomechanics, May 2015, Delft, Netherlands

Communication dans un congrès hal-01729131v1

Influence of the casting microstructure on LCF damage mechanisms in an Al-Si alloy using X-ray tomography

Ahmed El Bartali , Long Wang , Nora Dahdah , Nathalie Limodin , Jean-Francois Witz et al.

26th Colloquium on Fatigue mechanisms, Mar 2015, Brno, Czech Republic

Communication dans un congrès hal-01736324v1

Caractérisation du comportement mécanique d'un gradient de microstructure

Pierre Baudoin , Vincent Magnier , Ahmed El Bartali , Jean-François Witz , Dufrénoy Philippe et al.

CFM 2015 - 22ème Congrès Français de Mécanique, Aug 2015, Lyon, France

Communication dans un congrès hal-03444942v1

Numerical and experimental investigation of Lüders bands propagation

Pierre Baudoin , Matthieu Mazière , Jean-Francois Witz , Vincent Magnier , Ahmed El Bartali et al.

25th International Workshop on Computational Mechanics of Materials (IWCMM 25), Oct 2015, Bochum, Germany

Communication dans un congrès hal-01771050v1

In situ fatigue tests under X-ray tomography: damage mechanisms in a cast Aluminium Silicon alloy

Nathalie Limodin , Long Wang , Nora Dahdah , Ahmed El Bartali , Jean-Francois Witz et al.

9th European Solid Mechanics Conference (ESMC 2015), Jul 2015, Leganes-Madrid, Spain. pp.676

Communication dans un congrès hal-01736327v1

The out-of-plane deformation in pure aluminium oligocrystal and its influence on thermographic measurement

X.G Wang , Jean-Francois Witz , Ahmed El Bartali , Philippe Dufrenoy , E. Charkaluk

The 12th international conference on the Quantitative InfraRed Thermography (QIRT 2014), Jul 2014, bordeaux, France

Communication dans un congrès hal-01771104v1

Influence of the Casting Microstructure upon the Tensile Behaviour in A319 Al‐Si Alloy Investigated by X‐Ray Tomography and Digital Volume Correlation

Long Wang , Nathalie Limodin , Ahmed El Bartali , Julien Réthoré , Jean‐françois Witz et al.

Second International Congress on 3D Materials Science, 2014, Annecy, France. pp.73-78, ⟨10.1007/978-3-319-48123-4_12⟩

Communication dans un congrès hal-01668787v1

Coupling of experimental measurements to study the influence of microscopic defects on the fatigue damage in A319 Al-Si alloy

Long Wang , Nathalie Limodin , Ahmed El Bartali , Eric Charkaluk , Jean-Yves Buffiere

FDMD II - JIP 2014 - Fatigue Design & Material Defects, Jun 2014, Paris, France. ⟨10.1051/matecconf/20141204012⟩

Communication dans un congrès hal-01612313v1

Cyclic plasticity in duplex stainless steel

Rian Seghir , Ahmed El Bartali , Jean-Francois Witz , Philippe Dufrenoy , Eric Charkaluk

In Fatigue 2014, Mar 2014, Melbourne, Australia

Communication dans un congrès hal-01768660v1

Influence of the Lost Foam Casting Microstructure on Low Cycle Fatigue Damage of A319 Aluminum Alloy

Nora Dahdah , Nathalie Limodin , Ahmed El Bartali , Jean-Francois Witz , Rian Seghir et al.

The 2nd International Congress on 3D Materials Science, Jun 2014, Annecy, France. pp.97-102, ⟨10.1007/978-3-319-48123-4_16⟩

Communication dans un congrès hal-01668786v1

Investigation of the work hardening stages of nickel single crystals from full-field strain measurements

X.G Wang , Abdelali Oudriss , Ahmed El Bartali , Jean-Francois Witz , Rian Seghir et al.

Plasticité 2014, Apr 2014, Lyon, France

Communication dans un congrès hal-01770051v1

Elasto-plastic parameters identification trough Finite Element Model Updating

Pierre Baudoin , Jean-Francois Witz , Vincent Magnier , Ahmed El Bartali , Philippe Dufrenoy et al.

11th World Congress on Computational Mechanics (WCCM XI), Jul 2014, barcelona, Spain

Communication dans un congrès hal-01771055v1

Investigation of grain-scale surface deformation of a pure aluminum polycrystal through kinematic-thermal full-field coupling measurement

Xiaogang Wang , Jean-Francois Witz , Ahmed El Bartali , Philippe Dufrenoy , Eric Charkaluk

13th International Conference on Fracture (ICF13), Jun 2013, Pékin, China

Communication dans un congrès hal-01771063v1

Microstructural strain heterogeneities during low cycle fatigue

Ahmed El Bartali , Nathalie Limodin , Long Wang , Eric Charkaluk

LCF7, 7th International Conference on Low Cycle Fatigue, Sep 2013, Aachen, Germany

Communication dans un congrès hal-01736267v1

Application of X-ray microtomography to study the influence of the casting microstructure upon the tensile behaviour of an Al-Si alloy

Nathalie Limodin , Ahmed El Bartali , Long Wang , J. Lachambre , Eric Charkaluk

1st international conference on tomography of materials and structures; ICTMS 2013, Jul 2013, Ghent, Belgium

Communication dans un congrès hal-01736294v1

Multi-scale investigation of various gradient effects in fatigue

Pierre Baudoin , Vincent Magnier , Ahmed El Bartali , Jean-François Witz , Philippe Dufrénoy et al.

11e colloque national en calcul des structures, CSMA, May 2013, Giens, France

Communication dans un congrès hal-01717845v1

Specimen design for the fatigue lifetime evaluation of a forged material

Pierre Baudoin , Vincent Magnier , Ahmed El Bartali , Jean-Francois Witz , Philippe Dufrenoy et al.

13es Journées Internationales de Primptemps (JIP2013), May 2013, Paris, France

Communication dans un congrès hal-01771085v1

Thermomechanical determination of the CRSS in a polycristal

Rian Seghir , X.G Wang , Ahmed El Bartali , Eric Charkaluk , Jean-Francois Witz et al.

Photomechanics2013, May 2013, montpellier, France

Communication dans un congrès hal-01771079v1

Apport des mesures de champs cinématiques à l'étude des micromécanismes d'endommagement en fatigue plastique d'un acier inoxydable duplex

Ahmed El Bartali

Mécanique [physics.med-ph]. Ecole Centrale de Lille, 2007. Français. ⟨NNT : ⟩

Thèse tel-00254732v1

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