THANK YOU to :
PhD students, not yet defended (ouf) : Antoine K., Paul B., Emilien G., Théo L., Julien M., Jordan L., Quentin G., Maxence G., Mathieu T., Justine T.
PhD students, they have defended (time flies!) : Marion C., Arnaud J., Flore V., Quentin S.
Post-docs: Maël P., Hiba F.
1. Metal Additive Manufacturing (3D printing of metals):
Maxence GUILLON (2021-2024): Experimental study of keyhole phenomena in Laser-Powder Bed Fusion of 316L stainless steel
Manufacturing of specimens under different keyholes regimes
--> Link the printing parameters to the keyhole appearance, with the focus on the thermal history and the focal distance
Her manuscript here (french):
Her defense will take place end of 2024 :)
Julien MOREAU (2021-2024): Sinter-based Additive Manufacturing of resorbable metallic Implants made of Mg alloys
Manufacturing of Magnesium specimens using either Spark Plasma Sintering (SPS) or Direct-Ink Writing (DIW) ;
--> Looking for the best degradation rate Vs Mechanical Properties, with a link with microstructure and porosity
His manuscript here (french):
His defense will take place end of 2024 :)
Quentin GAILLARD (2020-2023): Optimisation of static properties of Laser Powder Bed Fusion of Ti-6Al-4V: Effect of heat treatments
Laser Powder Bed fusion of Ti-6AL-4V alloys ; Application of various heat treatments on the built parts ; Microstructure and Mechanical Characterisation
--> Link between alpha/beta phase fractions, alpha laths size, alpha-case thickness, on fracture toughness, tensile properties, anisotropy.
His manuscript here (french):
His defense will take place end of 2023 :)
Quentin SABY (2018-2021): Laser Powder Bed Fusion of martensitic steels: application to complex injection molds
Manufacturing and characterization of martensitic steels by Laser Powder Bed Fusion. Optimisation of heat treatments after LPBF.
Link between Structural defects (pores, roughness, etc) and fatigue resistance, using 3D imaging (µCT)
His manuscript here (french): https://www.theses.fr/fr/2022LYSEI004
He is now Additive Manufacturing Engineer at CETIM, working on Binder jetting of metallic parts !
Marion Coffigniez (2017-2021): Additive manufacturing of 3D architectured metallic biomaterials by robocasting
Manufacturing and characterization of titanium and magnesium scaffolds for biomedical applications.
Formulation of new inks for direct-ink writing and optimisation of debinding/sintering treatments
Summary here: https://www.insa-lyon.fr/fr/evenement/soutenance-these-marion-coffigniez
Her defense took place on 2021, January, 15th.
Her manuscript here (english): https://www.theses.fr/fr/2021LYSEI007
She is now post-doc at UC Louvain, working on additive manufacturing of beta metastable titanium alloys !
Flore Villaret (2017-2020): Additive Manufacturing of Austenitic-to-Martensitic Graded Steel
Manufacturing and characterization of graded steel (from austenitic 316L to martensitic 9Cr-1Mo) by Direct Metal Deposition or Laser Powder Bed Fusion.
Summary here: https://www.insa-lyon.fr/fr/evenement/soutenance-these-flore-villaret
Her defense took place on 2020, November, 23th.
Her manuscript here (french): https://www.theses.fr/2020LYSEI104
She is now Research Engineer at EDF R&D, working on Additive manufacturing of large parts for Energy Applications !
2. Powder Metallurgy:
3. Materials Mechanics and Fatigue:
Arnaud JUNET (2017-2021): 3D study of internal fatigue crack propagation in metallic alloys
Manufacturing of internal defects with controlled geometry in fatigue specimen made of Ti64 alloy
Determination of fatigue crack propagation rate using in situ synchrotron micro-tomography
His manuscript here (french): https://www.theses.fr/fr/2021LYSEI006
He is now R&D Mechanical Engineer at CIXI (https://www.cixi.life/fr/) !