Members

IMMC

Matthieu Baudouin Lezaack
Post-doctoral researcher
Dr. at UCLouvain in 2022
Contact

Main project: WAALU: wire arc additive manufacturing (WAAM) of high strength aluminium alloys
Funding: Win2Wal
Supervisor(s): Aude Simar

The WAALU project aims at manufacturing structures in high strength aluminium alloys by wire arc additve manufacturing (WAAM). The WAAM application on aluminium alloys is currently limited to easy to weld alloys (Mg enriched 5xxx series). The WAALU project is investigating the feasability of deposing high strength alloys like 2xxx and 7xxx series by WAAM technique. The current challenges are the need of manufacturing aluminium wires in the targetted series and the identification of the WAAM working parameters to avoid deposition defects in the built pieces. Step by step, the project proposes a methodology for processing the high strenght alloys by WAAM, with extensive characterization of the obtained microstructures. Mechanical performances of printed parts are extracted in all configuration, in order to achieve excellence in WAAM manufacturing in Belgium.

IMMC main research direction(s):
Processing and characterisation of materials
Solid mechanics

Keywords:
additive manufacturing
fracture mechanics
metallic alloys
metallurgy
microstructure-processing relationships
plasticity
welding and joining

Research group(s): IMAP

Recent publications

See complete list of publications

Journal Articles

1. Han, Sutao; Lezaack, Matthieu Baudouin; Pyka, Grzegorz; Gomes Affonseca Netto, Nelson; Simar, Aude; Wahab, Magd Abdel; Hannard, Florent. On the Competition between Intergranular and Transgranular Failure within 7 Al Alloys with Tailored Microstructures. In: Materials, Vol. 16, no.10, p. 3770 (2023). doi:10.3390/ma16103770. http://hdl.handle.net/2078.1/274986

2. Lezaack, Matthieu Baudouin; Simar, Aude; Marchal, Yannick; Steinmetz, Martin; Faes, Koen; Saraiva Esteves Pacheco De Almeida, João. Dissimilar friction welding of NiTi shape memory alloy and steel reinforcing bars for seismic performance. In: Science and Technology of Welding and Joining, Vol. 27, no. 6, p. 418-428 (2022). doi:10.1080/13621718.2022.2061692. http://hdl.handle.net/2078.1/260200

3. Lezaack, Matthieu Baudouin; Hannard, Florent; Simar, Aude. Understanding the ductility versus toughness and bendability decoupling of large elongated and fine grained Al 7475 - T6 alloy. In: Materials Science and Engineering: A, Vol. 839, p. 142816 (2022). doi:10.1016/j.msea.2022.142816. http://hdl.handle.net/2078.1/258995

4. Lezaack, Matthieu Baudouin; Simar, Aude. Avoiding abnormal grain growth in thick 7XXX aluminium alloy friction stir welds during T6 post heat treatments. In: Materials Science and Engineering: A, Vol. 807, p. 140901 (2021). doi:10.1016/j.msea.2021.140901. http://hdl.handle.net/2078.1/243408

5. Simar, Aude; Hannard, Florent; Lezaack, Matthieu Baudouin; Santos Macias, Juan Guillermo; Zhao, Lv; Pyka, Grzegorz. Extended durability for high strength aluminium alloys. In: The Innovation Patform, Vol. on line (2020). http://hdl.handle.net/2078.1/237842

Conference Papers

1. Hoult, Ryan; Saraiva Esteves Pacheco De Almeida, João; Lezaack, Matthieu Baudouin; Simar, Aude. Reinforced concrete walls detailed with shape memory alloys: recent experimental and numerical investigations. 2022 xxx. http://hdl.handle.net/2078.1/266673

2. Han, Sutao; Lezaack, Matthieu Baudouin; Simar, Aude; Hannard, Florent. Ductility and Formability Enhancement by FSP in 7XXX Al alloys. 2021 xxx. http://hdl.handle.net/2078.1/259603

3. Lezaack, Matthieu Baudouin; Hannard, Florent; Simar, Aude. Towards high strength and high ductility 6XXX and 7XXX aluminium alloys. 2021 xxx. http://hdl.handle.net/2078.1/244592

4. Lezaack, Matthieu Baudouin; Simar, Aude. Thick 7XXX friction stir welds resistant to coarse recrystallization during solution heat treatments. 2020 xxx. http://hdl.handle.net/2078.1/236296

5. Lezaack, Matthieu Baudouin; Simar, Aude; Zhao, Lv. Ductilization by multi-pass Friction Stir Processing of thick 7475 aluminium alloy. 2019 xxx. http://hdl.handle.net/2078.1/221887

6. Lezaack, Matthieu Baudouin; Zhao, Lv; Simar, Aude. Ductilization of 7475 aluminium alloy by Friction Stir Processing: homogenization of microstructural constituents. 2019 xxx. http://hdl.handle.net/2078.1/220258

7. Lezaack, Matthieu Baudouin; Zhao, Lv; Simar, Aude. Amélioration de la ductilité de l’alliage d’aluminium 7475 par procédé de friction malaxage (FSP). 2019 xxx. http://hdl.handle.net/2078.1/218690

8. Lezaack, Matthieu Baudouin; Simar, Aude. Micro-hardness evolution in Friction Stir Processed 7475 aluminium plate. 2018 xxx. http://hdl.handle.net/2078.1/214220

9. Lezaack, Matthieu Baudouin; Florent, Hannard; Simar, Aude. Modifications des propriétés d’endommagement de l’aluminium 7475 en tôle de forte épaisseur par le procédé de friction-malaxage. 2018 xxx. http://hdl.handle.net/2078.1/207815