Doctor of Physics from the University of Poitiers (France), I am working as a CNRS research scientist (Chargé de recherche CNRS) at the Laboratory for Microsctructure and Mecanic of Materials study (LEM3) affiliated to the CNRS, University of Lorraine and Arts & Métiers. My research focuses on the mechanical and irradiation properties of materials by means of atomistic simulations and high-performance computers. I am also Adjunct Lecturer at Georgia Tech Lorraine.
You can find me on Google scholar, Twitter, LinkedIn, OrcID, GitHub, arXiv, Publons and ResearchGate.
Dr. Julien GUÉNOLÉ
CNRS research scientist (Chargé de Recherche)
LEM3 laboratory, Lorraine university, Metz, France
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I am glad to talk about Atomistic Aspects of the Plasticity in Complex Intermetallics of our work during a TimeMan Seminar, on Mars 24, 2022, at 14:00 (GMT+2). The TimeMan Seminar is a virtual seminar series intended to provide a venue for continued sharing of academic ideas and results of relevance for our community in a time when travel to conferences and seminars has been significantly impacted. This is part of the ERC Advanced Grant TimeMan.
Our new letter Features of a nano-twist phase in the nanolayered Ti3AlC2 MAX phase is now published in Scripta Materialia. I am glad to share this work accomplished with my colleagues from the LEM3, Dr. Guitton and Dr. Taupin, as well as with our collaborators Dr. Vallet and Dr. Yu. Our investigations revealed the nano-scale features of a nano-scaled twisted phase in the complex intermetallic Ti3AlC2 phase (so-called MAX phase). Additionnaly, we explored the continuum representation of such complex rotational defect.
The preprint of the manuscript is avaible on the open-access public archive HAL [hal-03207521].
I am honored to have been elected as a member of the section 9 of the French Comity for Scientific Research (Comité National de la Recherche Scientifique, CoNRS) for the periode 2021-2024. With my colleagues of the section (Scientific domains of the section 9: Solid mechanics. Materials and structurals. Biomechanics. Acoustics.), we will contribute to the scientific organisation and evaluation of the scientists and laboratories of the CNRS.
The identification of defects in crystal structures is crucial for the analysis of atomistic simulations. In our new work, we propose a novel approach, combining modified CNA and centro-symetry parameter evaluation, able to identifiy Laves phases and related defects. This Invited Feature Paper Laves phase crystal analysis (LaCA): Atomistic identification of lattice defects in C14 and C15 topologically close-packed phases is now published in the Journal of Materials Research (open-access). I am proud to have contributed to this work from Dr. Zhuocheng (Ray) Xie in collaboration with RWTH Aachen and FAU Erlangen-Nürnberg.
Our new article Exploring the transfer of plasticity across Laves phase interfaces in a dual phase magnesium alloy is now published in Materials & Design (open access). It is the fruit of a collaboration with the IMM from the RWTH Aachen University within the framework of the german Collaborative Research Consortium (CRC) 1394 on Structural and Chemical Atomic Complexity.
This combined experimental & numerical work explores and evidences the transfer of plasticity from a Mg matrix toward a Laves phase strengthening network. It demonstrate that plastic co-deformation Laves phase is achievable and open the road for future detailed investigations on the plasticity mechanisms at such complex interfaces.