Alexandre LEGRIS

Professor at Polytech'Lille

Bâtiment C6 - 225
Unité Matériaux et Transformations
Cité scientifique, Bât. C6
Université de Lille
59655 Villeneuve d'Ascq
France
Tel: (+33) 03 20 33 63 83
Fax: +33 (0) 320 43 65 91
Email : Send an email to Alexandre LEGRIS
ORCID Identifier : 0000-0002-9133-756X

Research team: Métallurgie physique et génie des matériaux

Research

Modeling phase transition in metallic alloys submitted or not to radiations.

Teaching

Crystallography, corrosion, phase transformations.

Current PhD thesis

• Hadrien LEGUY, Compréhension et optimisation des traitements thermomécaniques d'aciers austénitiques avancés pour améliorer leur résistance à l'irradiation . Thesis started in 2022.

Defended PhD thesis

• Lucas AUTONES, Elaboration et étude du comportement sous irradiation d'aciers ODS obtenus par fabrication additive. Thesis defended in 2022.
• Amal ISSAOUI, Comportement sous irradiation d’aciers renforcés par dispersion d’oxydes nanométriques pour le gainage combustible des réacteurs de 4ème génération. Thesis defended in 2020.
• Gabriel Franck BOUOBDA MOLADJE, Contribution to phase-field modelling of irradiation damage in metallic alloys . Thesis defended in 2020. Other co-advisors: Charlotte BECQUART, Ludovic THUINET.
• Adrien VAUGOUDE, Développement de nouvelles nuances d’aciers austénitiques pour le gainage des futurs réacteurs à neutrons rapides. Thesis defended in 2019.
• Benjamin CHRISTIAEN, Etude des mécanismes de grandissement des alliages de zirconium, rôle de l'hydrogène et du fer . Thesis defended in 2018. Other co-advisor: Ludovic THUINET. Position: CDI : Développeur chez HRTeam Lille.
• Jérôme Dequeker, Using electronic structure calculations for a controlled elaboration of third generation steels with duplexe structure for car industry. Thesis defended in 2018. Other co-advisors: Rémy BESSON, Ludovic THUINET.
• Baptiste Rouxel, Development of advanced austenitic stainless steels resistant to void swelling under irradiation. Thesis defended in 2016. Other co-advisor: Decarlan Yves.
• François Housaer, Synthesis and characterization of Aluminum/Carbon nanotubes composites produced by powder metallurgy routes. Thesis defended in 2015. Other co-advisor: Franck BéCLIN. Position: Ingénieur chez ThyssenKrupp electrical Steel UGO à Isbergues.
• Hadrien Rouchette, Sink efficiency calculation of dislocations in irradiated materials by phase-field modelling. Thesis defended in 2015. Other co-advisor: Ludovic THUINET. Position: Ingénieur R&D chez Évolution Énergie (URL : http://evolutionenergie.com/).
• Davide Costa, Modelling the thermal ageing evolution of Fe-Cr alloys using a lattice kinetic Monte Carlo approach based on DFT calculations. Thesis defended in 2012. Other co-advisor: Charlotte BECQUART.
• Petrica Gasca, Zirconium - ab initio modelling of point defects diffusion. Thesis defended in 2010. Position: Ingénieur qualité à Arcelor Mittal Galati (Roumanie).

Latest scientific contributions in LillOA (Lille Open Archive)

Publications

21. G.-F. Bouobda Moladje, L. Thuinet, C. Becquart, A. Legris, Radiation induced segregation near dislocations and symmetric tilt grain boundaries in Fe-Cr alloys: A phase-field study, Acta Materialia 225, 117523 (2022), [doi: 10.1016/j.actamat.2021.117523, LillOA]
20. W. Sekkal, R. Besson, A. Legris, Atomic scale modeling of structural phase transformations in AlCrFeMnMo high-entropy alloys during thermal treatments, Journal of Alloys and Compounds 876, 160201 (2021), [doi: 10.1016/j.jallcom.2021.160201, LillOA]
19. G.-F. Bouobda Moladje, L. Thuinet, C. Becquart, A. Legris, A phase field model for dislocation climb under irradiation: Formalism and applications to pure bcc iron and ferritic alloys, International Journal of Plasticity 102810 (2020), [doi: 10.1016/j.ijplas.2020.102810, LillOA]
18. B. Christiaen, C. Domain, L. Thuinet, A. Ambard, A. Legris, Influence of vacancy diffusional anisotropy: Understanding the growth of zirconium alloys under irradiation and their microstructure evolution, Acta Materialia 631-644 (2020), [doi: 10.1016/j.actamat.2020.06.004, LillOA]
17. G.-F. Bouobda Moladje, L. Thuinet, C. Domain, C. Becquart, A. Legris, Phase-field calculations of sink strength in Al, Ni, and Fe: A detailed study of elastic effects, Computational Materials Science 109905 (2020), [doi: 10.1016/j.commatsci.2020.109905, LillOA]
16. B. Christiaen, C. Domain, L. Thuinet, A. Ambard, A. Legris, A new scenario for ‹c› vacancy loop formation in zirconium based on atomic-scale modeling, Acta Materialia 93-106 (2019), [doi: 10.1016/j.actamat.2019.07.030, LillOA]
15. R. Besson, J. Dequeker, L. Thuinet, A. Legris, Ab initio thermodynamics of complex alloys: The case of Al- and Mn-doped ferritic steels, Acta Materialia (2019), [LillOA]
14. G. Oum, L. Thuinet, A. Legris, A 3D crystal plasticity model for coherency loss during precipitation, Modelling and Simulation in Materials Science and Engineering 26, 65008 (2018), [doi: 10.1088/1361-651X/aacfdb, LillOA]
13. L. Thuinet, M. Nastar, E. Martinez, G.-F. Bouobda Moladje, A. Legris, F. Soisson, Multiscale modeling of Radiation Induced Segregation in iron based alloys, Computational Materials Science 149, 324-335 (2018), [doi: 10.1016/j.commatsci.2018.03.024, LillOA]
12. J. Ribis, M. Thual, T. Guilbert, Y. De Carlan, A. Legris, Relaxation path of metastable nanoclusters in oxide dispersion strengthened materials, Journal of Nuclear Materials 484, 183-192 (2017), [doi: 10.1016/j.jnucmat.2016.12.007, LillOA]
11. M.-A. Louchez, R. Besson, L. Thuinet, A. Legris, Interfacial properties of hydrides in α -Zr: a theoretical study, Journal of Physics Condensed Matter 29, 415001 (2017), [doi: 10.1088/1361-648X/aa7f8a, LillOA]
10. M.-A. Louchez, L. Thuinet, R. Besson, A. Legris, Microscopic Phase-Field modeling of hcp/fcc interfaces, Computational Materials Science 132, 62-73 (2017), [doi: 10.1016/j.commatsci.2017.02.012, LillOA]
9. L. Thuinet, H. Rouchette, A. Legris, 3D phase-field modelling of dislocation loop sink strengths, Journal of Nuclear Materials 483, 62-81 (2017), [doi: 10.1016/j.jnucmat.2016.10.041, LillOA]
8. M. Desormeaux, B. Rouxel, A. Motta, M. Kirk, C. Bisor, Y. De Carlan, A. Legris, Development of radiation damage during in-situ Kr ++ irradiation of Fe Ni Cr model austenitic steels, Journal of Nuclear Materials 475, 156-167 (2016), [doi: 10.1016/j.jnucmat.2016.04.012, LillOA]
7. J. Piochaud, M. Nastar, F. Soisson, L. Thuinet, A. Legris, Atomic-based phase-field method for the modeling of radiation induced segregation in Fe-Cr, Computational Materials Science 122, 249-262 (2016), [doi: 10.1016/j.commatsci.2016.05.021, LillOA]
6. F. Housaer, f. béclin, M. Touzin, D. Tingaud, A. Legris, A. Addad, Interfacial characterization in carbon nanotube reinforced aluminum matrix composites, Materials Characterization 110, 94-101 (2015), [doi: 10.1016/j.matchar.2015.10.014, LillOA]
5. J. Ribis, E. Bordas, P. Trocellier, Y. Serruys, Y. De Carlan, A. Legris, Radiation-sustained nanocluster metastability in oxide dispersion strengthened materials, Nuclear Instruments and Methods in Physics Research Section B. Beam Interactions with Materials and Atoms 365, 22-25 (2015), [doi: 10.1016/j.nimb.2015.07.062, LillOA]
4. H. Rouchette, L. Thuinet, A. Legris, A. Ambard, C. Domain, Numerical evaluation of dislocation loop sink strengths: A phase-field approach, Nuclear Instruments and Methods in Physics Research Section B. Beam Interactions with Materials and Atoms (2015), [doi: 10.1016/j.nimb.2015.01.006, LillOA]
3. M. Lescoat, J. Ribis, Y. Chen, E. Marquis, E. Bordas, P. Trocellier, Y. Serruys, A. Gentils, O. Kaïtasov, Y. De Carlan, A. Legris, Radiation-induced Ostwald ripening in oxide dispersion strengthened ferritic steels irradiated at high ion dose, Acta Materialia 78, 328-340 (2014), [doi: 10.1016/j.actamat.2014.06.060, LillOA]
2. F. Housaer, A. Legris, f. béclin, M. Touzin, D. Tingaud, G. Ji, R. Shabadi, Characterization of Al/MWCNTs composites prepared by powder metallurgy routes, MATEC Web of Conferences 7, 1002 (2013), [doi: 10.1051/matecconf/20130701002, LillOA]
1. G. Vérité, C. Domain, C.-C. Fu, P. Gasca, A. Legris, F. Willaime, Self-interstitial defects in hexagonal close packed metals revisited: Evidence for low-symmetry configurations in Ti, Zr, and Hf, Physical Review B 87, (2013), [doi: 10.1103/PhysRevB.87.134108, LillOA]

Full list (The link could be slow)

Conference presentations

10. F. Housaer, M. Touzin, f. béclin, A. Addad, A. Legris, Elaboration et caractérisation de composites Al/NTC obtenus par métallurgie des poudres, Poster, Matériaux 2014, Montpellier, France, Jun 2015 [LillOA]
9. F. Housaer, A. Legris, f. béclin, G. Ji, M. Touzin, R. Shabadi, D. Tingaud, Synthesis and characterization of Al-MWCNTs composites by powder metallurgy, Communication dans un congrès sans actes, Euro LightMAT2013, International Congress on Light Materials, Brême, Allemagne, Sep 2013 [LillOA]
8. f. béclin, F. Housaer, M. Touzin, A. Legris, Relation microstructure propriétés mécaniques de composites Aluminium / Nanotubes de carbone, Communication dans un congrès sans actes, Matériaux 2014, Montpellier, France, Nov 2014 [LillOA]
7. F. Housaer, A. Legris, f. béclin, M. Touzin, D. Tingaud, G. Ji, R. Shabadi, Characterization of Al/MWCNTs composites prepared by powder metallurgy routes, Communication dans un congrès avec actes, Journées annuelles de la SF2M 2013, Villeneuve d'Ascq, France, Oct 2013 [LillOA]
6. F. Housaer, f. béclin, M. Touzin, A. Addad, A. Legris, G. Ji, R. Shabadi, D. Tingaud, Synthesis and characterization of Al-MWCNTs composites by Spark Plasma Sintering, Communication dans un congrès sans actes, 15th International Conference on Intergranular and Interphase Boundaries in Materials, HALKIDIKI, Grèce, Jun 2013 [LillOA]
5. F. Housaer, A. Legris, f. béclin, G. Ji, M. Touzin, A. Addad, R. Shabadi, D. Tingaud, Elaboration et caractérisation de composites à matrice d'aluminium renforcée par des nanotubes de carbone multifeuillets, Communication dans un congrès sans actes, PMF2013, Colloque de la commission mixte « Poudres et Matériaux Frittés » de la SF2M et du GFC, BELFORT, France, May 2013 [LillOA]
4. R. Besson, J. Dequeker, L. Thuinet, A. Legris, Modélisation thermodynamique du système Fe-Al-Mn-C à l'aide de calculs ab initio et de modèles d'amas de paires, Communication dans un congrès sans actes, Matériaux 2018, Strasbourg, France, Nov 2018 [LillOA]
3. G.-F. Bouobda Moladje, L. Thuinet, A. Legris, C. Becquart, M. Nastar, F. Soisson, Phase-field modelling of dislocation loop evolution under irradiation : application to radiation induced segregation prediction near the dislocation cores, Communication dans un congrès sans actes, Multiscale Materials Modeling 2018, Osaka, Japon, Nov 2018 [LillOA]
2. B. Christiaen, C. Domain, L. Thuinet, A. Ambard, A. Legris, Atomistic modelling of point defect clusters in zirconium alloys and impact on their deformation under irradiation, Communication dans un congrès sans actes, Multiscale Materials Modeling 2018, Osaka, Japon, Nov 2018 [LillOA]
1. B. Christiaen, A. Legris, C. Domain, L. Thuinet, A. Ambard, Alloying effects on the growth mechanisms of zirconium alloys under irradiation, Poster, Euromat 2017, Thessalonique, Grèce, Sep 2017 [LillOA]

Full list (The link could be slow)