Closing the gap between timescales in the laboratory and in the mantle
Where can you meet us ?

MRM 2023
December 11-16, 2023 - Kyoto, Japan
Participant: P. Cordier
IUTAM Symposium Creep in Structures
18-22 Septembre 2023 - Magdeburg, Germany.
Participant: O. Castelnau
- O. Castelnau, P. Cordier, K. Gouriet, T. Weidner, J. van Orman, J. M. Jackson, P. Carrez "Periclase deforms more slowly than bridgmanite under Earth mantle conditions"
Colloque de la Société Française des Microscopies
3-7 July 2023 - Rouen, France
Participant: A. Mussi
- A. Mussi "Dernière avancée en tomographie électronique en transmission des dislocations" (Invited)
Plasticité 2023
3-5 April - Lyon, France
Participants: P. Carrez, P. Cordier, V. Delbecq, J. Furstoss, P. Hirel, A. Mussi
- V. Delbecq, T. Albaret, P. Carrez, P. Cordier, D. Rodney "Modéliser les événements plastiques dans les verres Mg2SiO4 : utilisation de la théorie d’Eshelby" (Oral)
- J. Furstoss, P. Hirel, P. Carrez, P. Cordier "Impact des degrés de liberté microscopiques sur les joints de grains dans la forsterite" (Poster)
- P. Hirel, P. Carrez, P. Cordier. "Complexions de joints de grains dans MgO" (Poster)
- H. Kharouji, V. Taupin, J. Guénolé, L. Dezerald, P. Hirel, P. Carrez, P. Cordier "Vers un transfert discret-continu de la description des défauts cristallins" (Poster)
- A. Mussi, P. Carrez, K. Gouriet, B. Hue, P. Cordier "Etude de l’évolution des dislocations sous irradiation électronique par tomographie électronique des dislocations 4D dans MgO (Poster)
- A. Mussi, A. Heinzelmeier, T. Weidner, M. Novelli, W. Yu, F. Cuvilly, T. Grosdidier, A. Guitton "Caractérisation de dislocations zonales dans la phase MAX Ti2AlC" (Poster)
- T. Weidner, K. Gouriet, A. Mussi, P. Cordier, V. Taupin, A. Guitton, N. Maloufi "Couplage tomographie 3D des dislocations et mécanique des champs de dislocations : application à l’olivine" (Poster)
Journée SF2M Micromécanique Conditions Extrêmes
30 March 2023 - Paris, France
Participant: P. Cordier
- P. Cordier "Micro-géodynamique: au croisement des échelles de temps et d’espace" (Invited)
DPG-Frühjahrstagung (DPG Spring Meeting) of the Condensed Matter Section (SKM)
26 - 31 March 2023 - Dresden (Germany)
Participant: P. Carrez
- P. Carrez "Plastic properties of MgO: insights from numerical modelling" (invited)
Microscopy Conference MC2023
26 February - 2 March 2023 - Darmstadt (Germany)
Participant: P. Cordier, I. Ul Hacq, T. Weidner
- P. Cordier, I. Ul Haq, A. Orekhov, D. Schryvers, H. Idrissi "Stress-induced amorphization and grain boundary sliding in olivine" (Keynote in session MS 6: Geoscience and construction materials, cultural heritage)
- I. Ul Haq, P. Cordier, H. Idrissi, D. Schryvers "A full-field quantitative analysis of grain boundary sliding mechanism using digital image correlation (DIC) inside a transmission electron microscope"
- T. Weidner, A. Mussi, P. Cordier "Combining electron tomography of dislocations and continuum mechanics to investigate the rheology of minerals"
Séminaire MécaScienceRennes
Journée "Mécanique & Matériaux"
12 Janvier 2023 - Rennes
Participant: P. Cordier
P. Cordier "Eloge de la lenteur en plasticité des minéraux" (Invité)
International Conference on Plasticity, Damage and Fracture, 2023 (ICPDF23)
January 3-9 2023 - Barcelo Punta Cana (Dominican Republic)
Participant: P. Carrez, P. Cordier, H. Idrissi
- P. Carrez "Plasticity under extremely slow strain-rates " (Invited)
- P. Cordier "Modeling plastic deformation of the mineral phases of the Earth's mantle" (Keynote)
- H. Idrissi “Stress induced amorphization in olivine investigated by ex-situ and in-situ TEM nano-mechanical testing” (Keynote)

AGU Fall Meeting 2022
Dec. 12-16, 2022 - Chicago, IL, U.S.A
Participants: P. Cordier, T. Weidner
- P. Cordier, K. Gouriet, J. Van Orman, O. Castelnau, J.M. Jackson, P. Carrez "Periclase is stronger than bridgmanite under lower mantle pressures, temperatures and strain-rates" (Poster)
- T. Weidner, A. Mussi, K. Gouriet, P. Cordier "Combining electron tomography of dislocations and continuum mechanics to investigate the rheology of olivine" (Poster)
Colloque du G2 2022: «Géodésie, Géophysique et Montagne»
8-10 November 2022 - Grenoble (France)
Participant: J. Furstoss
- J. Furstoss "Approche numérique de l’évolution microstructurale des péridotite" (Prix de thèse CNFGG)
Science en Nord
69e Congrès National des professeurs de Physique-Chimie
2-5 Novembre 2022 - Lille, France
Participant: P. Cordier

10th International Conference on Multiscale Materials Modeling (MMM10)
Oct. 2-7, 2022 - Renaissance Harborplace Hotel, Baltimore, MD, U.S.A
Participants: P. Carrez, V. Delbecq, J. Furstoss
- P. Carrez, M. Landeiro dos Reis, P. Hirel, P. Cordier "Interaction between dislocation and vacancies in magnesium oxide"
- M. Landeiro dos Reis, P. Carrez, Y. Giret, P. Cordier "Pipe diffusion mechanism in magnesium oxide"
- V. Delbecq, T. Albaret, P. Carrez, P. Cordier, J.F. Paul, S. Pipolo "Numerical study of the mechanical properties of Mg2SiO4 glasses"
- J. Furstoss, P. Hirel, P. Carrez, P. Cordier "Stable grain boundary complexion in forsterite: properties and implications"
- P. Hirel, P. Carrez, P. Cordier "Grain boundary complexions in rock-salt materials"
Nanomechanical Testing in Materials Research and Development VIII
An ECI Conference Series
October 2-7, 2022 - Split, Croatia
Participants: P. Cordier, G. Kermouche
- P. Cordier, H. Idrissi "On the contribution of nanomechanical testing to the study of Earth mantle deformations" (Keynote)
- G. Kermouche, P. Baral, A. Orekhov, N. Schrivers, G. Lumbeek, H. Idrissi, M. Coulombier, T. Pardoen, P. Cordier "Evidence of electron-irradiation activated creep in amorphous olivine at room temperature" (Oral)
Earth Mantle Workshop
12-15 september 2022 - Toulouse, France
Participant: P. Cordier
- P. Cordier "Creep in the mantle: dislocations ? vacancies ? both ?" (Oral)
23rd International Mineralogical Association General Meeting (IMA 2022)
18 - 22 July 2022 - Lyon, France
Participant: P. Cordier, V. Delbecq, K. Gouriet, T. Weidner
- P. Cordier "Nanomechanics of minerals" (Plenary Presidential Lecture)
- P. Cordier "Minerals under stress: highs and lows" (Keynote Lecture)
- S. Demouchy, M. Thieme, F. Barou, B. Beausir, P. Cordier "Dislocation and disclination densities in experimentally deformed polycrystalline olivine" (Poster)
- K. Gouriet, P. Roussel, P. Carrez, P. Cordier "Ultimate mechanical properties of enstatite" (Poster)
- V. Delbecq, P. Carrez, J.F. Paul, S. Pipolo, P. Cordier "Numerical study of the mechanical properties of Mg2SiO4 glasses" (Oral)
- T. Weidner, A. Mussi, P. Cordier "Dislocation climb in naturally deformed quartz by electron tomography of dislocations" (Oral)
UPLIFT Kick-Off Workshop
7-8 July 2022 - Steinbach am Wörthsee (near Munich)
Participant: P. Cordier
- P. Cordier "Rheology: doing the splits between nature and the laboratory" (Oral)
11th European Solid Mechanics Conference
4 - 8 July 2022, Galway, Ireland
Participants: H. Idrissi, G. Kermouche
- G. Kermouche "Investigating restoration kinetics in metals using the High Temperature Scanning Indentation (HTSI) method" (Invited)
- A. Orekhov, P. Baral, M. Coulombier,J.P. Raskin,D. Schryvers,T. Pardoen,H. Idrissi "Electron beam induced giant ductility in amorphous Alumina (a-Al2O3) and a-Al2O3/Al nanolaminates" (Invited)
International Conference on the Strength of Materials (ICSMA-19)
26 June - 1 July 2022 in Metz, France
Including Tamas UNGAR Honorary Symposium
Participant: P. Cordier, A. Mussi, T. Pardoen, T. Weidner
- T. Pardoen "On the best compromise between strength, ductility and fracture toughness in metallic alloys" (Plenary)
- P. Cordier, K. Gouriet, T. Weidner, J. Van Orman, O. Castelnau, J.M. Jackson, P. Carrez "Relative strengths of bridgmanite (MgSiO3) and periclase (MgO) in the conditions of the lower mantle" (Oral)
- T. Weidner, A. Mussi, P. Cordier "Evidence of dislocation climb in naturally deformed quartz by electron tomography of dislocations" (Oral)
Nanobrücken 2022: Nanomechanical Testing Conference
June 8-10 — Charles University — Prague, Czech Republic
Participant: P. Cordier, H. Idrissi, I. Ul Haq
- H. Idrissi “Stress induced amorphization in olivine: new insights from ex-situ and in-situ TEM nanomechanical testing” (Invited)
- I. Ul Haq, P. Cordier, D. Schryvers, H. Idrissi "A quantitative analysis of stress-induced amorphization and grain boundary sliding in forsterite” (Oral)
Bicentenaire de la disparition de René-Just Haüy
June 3 - Sorbonne Université & Muséum national d’Histoire naturelle
Journée organisée par l’Institut de Minéralogie, de Physique des matériaux et de Cosmochimie
Participant: P. Cordier
Colloque Plasticité 2022
4-6 april 2022 - Toulouse
Participant: P. Carrez, P. Cordier, V. Delbecq, J. Furstoss, K. Gouriet, A. Mussi
- V. Delbecq, P. Carrez, P. Cordier, J.F.Paul, S. Pipolo « Étude numérique des propriétés mécaniques des verres Mg2SiO4 » (Oral)
- J. Furstoss, P. Hirel, P. Carrez, P. Cordier "Complexions stables d'un joint de grains dans la forstérite : propriétés et implications" (Oral)
- M. Landeiro Dos Reis, Y. Giret, P. Carrez, P. Cordier « Efficacité de la « pipe diffusion » dans MgO » (Poster)
- K. Gouriet, Ph. Carrez, P. Cordier « Ultimate mechanical properties of forsterite » (Poster)
- A. Mussi, A. Addad, F. Onimus, L. Dupuy « Caractérisation de l’évolution des microstructures de dislocations dans les alliages de zirconium sous irradiation par tomographie électronique des dislocations » (Poster)
Journée scientifique IRMA
10 March 2022 - Rouen, France
- A. Mussi: "Quitter Flatland pour regarder les dislocations en 4D dans un microscope électronique en transmission" (Invited)


Journée thématique Défauts dans les cristaux: origines, caractérisation et conséquences
2-2 septembre 2021 - Délégation CNRS Rhône-Auvergne (DR7), Villeurbane
Action Thématique organisée sous l’égide des Réseaux CMDO+ (http://cmdo.cnrs.fr/), CRISTECH (http://cristech.cnrs.fr/) et RECIPROCS (https://cdifx.univ-rennes1.fr/RECIPROCS/RECIPROCS.htm) de la Mission pour les Initiatives Transverses et Interdisciplinaires du CNRS (MITI)
Participant: P. Cordier
- P. Cordier "Dislocations dans les minéraux: une affaire de cœur" (Conférence invitée)
European Mineralogical Conference EMC 2020
29 August - 2 September 2021 – Krakow, Poland (Virtual)
Participants: P. Cordier, V. Delbecq
- V. Delbecq, P. Carrez, P. Cordier, J.F. Paul, S. Pipolo "Numerical study of mechanical properties of Mg2SiO4 glasses" (Oral)
- I. Ul Haq, V.Samae, P. Cordier, H.Idrissi, D. Schryvers "In situ TEM study of shear-induced amorphization and grain boundary sliding in olivine" (keynote)
Microscopy Conference 2021 Joint Meeting of Dreiländertagung & Multinational Congress on Microscopy
22-26 August – Virtual (Vienna, Austria)
Participant: I. Ul Hacq
- I. Ul Haq, P. Cordier, H. Idrissi, D. Schryvers "A quantitative analysis of in-situ grain boundary sliding inside a transmission electron microscope" (Oral)
Goldschmidt 2021
4-9 July 2021 - Virtual (Lyon France)
Participant: P. Cordier, P. Hirel
Theme 6: Nano to Microscale Processes; Chairs: Benjamin Gilbert, Patrick Cordier, Richard Harrison, Katharina Marquardt
- P. Hirel, P. Carrez and P. Cordier « Grain boundary complexions in minerals » (Invited)
- P. Cordier, I. Ul Haq, V. Samae, H. Idrissi and D. Schryvers « In situ TEM study of a new grain boundary deformation mechanism in olivine » (Oral)
E-MRS - 2021 Spring Meeting
31 May - 4 June 2021 - Virtual (Strasbourg, France)
Participants: P. Baral, P. Cordier, M. Coulombier, H. Idrissi & I. Ul Haq
Symposium K: Advanced small-scale mechanical characterization: strength, plasticity, fracture and fatigue. Organizers: Thomas W. CORNELIUS, Megan J. CORDILL, Hosni IDRISSI, Benoit MERLE (Main) and Ana Maria RUIZ MORENO - Co-sposored by TimeMan
- P. Cordier, A. Orekhov, R. Dohmen, M. Coulombier, T. Pardoen, D. Schryvers, H. Idrissi "Surprising high ductility of amorphous olivine at room temperature during in situ nanomechanical tensile testing" (Oral)
- M. Coulombier, P. Baral, A. Pip, R. Dohmen, J.P. Raskin, T. Pardoen, P. Cordier, H. Idrissi,: « Time dependent response of amorphous olivine thin films determined by on-chip nanomechanical testing » (Oral)
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P. Baral, A. Orekhov, R. Dohmen, M. Coulombier, J.P. Raskin, P. Cordier, H. Idrissi, T. Pardoen : « Rheology of amorphous olivine thin films characterized by nanoindentation at ambient temperature » (Oral)
- I. Ul Haq, V. Samae, P. Cordier, H. Idrissi, D. Schryvers "In situ TEM study of a new grain boundary deformation mechanism in olivine" (Poster)
EGU General Assembly 2021
Colloque Plasticité Virtuel
6 - 7 april 2020 - Anywhere
Participants: everybody
- M. Landeiro Dos Reis, P. Carrez, Patrick Cordier « Interaction entres les lacunes chargées et une dislocation coin dans MgO » (Oral)
- V. Delbecq, P. Carrez, P. Cordier, J.F. Paul, S. Pipolo « Étude numérique des propriétés mécaniques des verres Mg2SiO4 » (Oral)
Nanobrücken 2021
Nanomechanical Testing Conference - Programme
23-24 February 2021 - Virtual event
Participants: P. Cordier, H. Idrissi
- P. Cordier, A. Orekhov, R. Dohmen, M. Coulombier, T. Pardoen, D. Schryvers, H. Idrissi "High ductility of amorphous olivine at room temperature during in situ nanomechanical tensile testing in the TEM" (Video Poster)