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. C. Sakaël, C. Domain, A. Ambard, L. Thuinet, A. Legris, C. Sakaël, Structure and stability of small self-interstitials clusters in zirconium, Acta Materialia 267, 119708 (2024), [doi: 10.1016/j.actamat.2024.119708, LillOA]
20. C. Sakaël, C. Domain, A. Ambard, L. Thuinet, A. Legris, Modelling of zirconium growth under irradiation and annealing conditions, International Journal of Plasticity 168, 103699 (2023), [doi: 10.1016/j.ijplas.2023.103699, LillOA]
19. 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]
18. 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]
17. 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]
16. 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]
15. 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]
14. 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]
13. 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]
12. 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]
11. 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]
10. 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]
9. 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]
8. 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]
7. 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]
6. 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]
5. 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]
4. 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]
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. C. Sakaël, C. Domain, A. Ambard, C.P. Race, L. Thuinet, A. Legris, Breakaway growth modelling of zirconium: importance of loops layers, Conférence invitée, 10th International Conference on Multiscale Materials Modeling (MMM10), Baltimore, MD, Etats-Unis d'Amérique, Oct 2022 [LillOA]
9. C. Sakaël, C. Domain, A. Ambard, C.P. Race, L. Thuinet, A. Legris, Understanding irradiation growth of zirconium alloys: a multiscale modeling, Communication dans un congrès sans actes, Matériaux 2022, Lille, France, Oct 2022 [LillOA]
8. G.-F. Bouobda Moladje, L. Thuinet, C. Becquart, C. Domain, A. Legris, Application of the phase field method to irradiation damage simulation in metallic alloys, Communication dans un congrès sans actes, Thermec, Virtual Conference, Autriche, May 2021 [LillOA]
7. L. Thuinet, G.-F. Bouobda Moladje, C. Becquart, A. Legris, A Phase-Field Model for Dislocation Climb under Irradiation: Formalism and Applications to Radiation Induced Segregation in Fe-Cr Alloys, Conférence invitée, 10th International Conference on Multiscale Materials Modeling (MMM10), Baltimore, MD, Etats-Unis d'Amérique, Oct 2022 [LillOA]
6. L. Thuinet, G.-F. Bouobda Moladje, C. Becquart, A. Legris, A phase-field study of radiation induced segregation near dislocations, Communication dans un congrès sans actes, NuMat2022. The Nuclear Materials Conference, Gand, Belgique, Oct 2022 [LillOA]
5. C. Sakael, C. Domain, A. Ambard, C.P. Race, L. Thuinet, A. Legris, Microstructure evolution of Zr under irradiation and post-irradiation annealing modelling based on Object Kinetic Monte Carlo – parameterization optimization and properties of small defect clusters from DFT simulations, Communication dans un congrès sans actes, NuMat2022. The Nuclear Materials Conference, Gand, Belgique, Oct 2022 [LillOA]
4. C. Sakaël, C. Domain, A. Ambard, C.P. Race, L. Thuinet, A. Legris, Breakaway Growth Modeling of Zirconium under Irradiation: The Importance of the Formation of a-Loop Layers, Communication dans un congrès avec actes, Zirconium in the Nuclear Industry: 20th International Symposium, Ottawa, ON, Canada, Jun 2022 [LillOA]
3. 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]
2. 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]
1. 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]

Full list (The link could be slow)