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rian seghir

19
Documents
Affiliations actuelles
  • 1088548
Identifiants chercheurs
  • IdHAL rseghir
  • ORCID 0000-0002-2946-0161
  • Google Scholar : https://scholar.google.fr/citations?user=xh9n0PsAAAAJ
Contact
Site web
  • https://www.ec-nantes.fr/version-francaise/annuaire/m-rian-seghir

Présentation

PhD graduate (in 2012) with research background in numerical and experimental mechanics. My work deals with the development of full-field measurement techniques and thermomechanical characterization of metallic and polymeric materials. I focused, in the last years, to the identification of dynamic properties through full-field Ultra-High Speed Imaging and Inverse Methods. Since 2018, I am CNRS Reasearcher (CR) at the Research Institute in Civil and Mechanical Engineering (GeM) of Nantes.

Domaines de recherche


Compétences

Research Engineering High strain-rate characterization crystal plasticity infrared thermography Digital Image Correlation Inverse methods

Publications

"eric-charkaluk"

Low Cycle Fatigue of a Lost Foam Cast Al-Si-Cu alloy: study of the damage mechanisms with X-ray tomography and Digital Volume Correlation

Nathalie Limodin , Long Wang , Nora Dahdah , Ahmed El Bartali , Jean-Francois Witz
Fatigue 2018, May 2018, Poitiers, France
Communication dans un congrès hal-01807449v1
Image document

Isothermal low cycle fatigue of a lost foam cast Al-Si-Cu alloy: study of the damage mechanisms with synchrotron X-ray tomography and Digital Volume Correlation

Nathalie Limodin , Long Wang , Nora Dahdah , Ahmed El Bartali , Jean-Francois Witz
LCF8 Eighth International Conference on Low Cycle Fatigue, Jun 2017, Dresden, Germany. pp.41
Communication dans un congrès hal-01617612v1

Influence of the casting microstructure on LCF damage mechanisms in an Al-Si alloy using X-ray tomography

Ahmed El Bartali , Long Wang , Nora Dahdah , Nathalie Limodin , Jean-Francois Witz
26th Colloquium on Fatigue mechanisms, Mar 2015, Brno, Czech Republic
Communication dans un congrès hal-01736324v1

Study of damage mechanisms in A319 aluminium alloy by X-ray tomography and Digital Volume Correlation

Nora Dahdah , Nathalie Limodin , Ahmed El Bartali , Jean-Francois Witz , Rian Seghir
Photomechanics, May 2015, Delft, Netherlands
Communication dans un congrès hal-01729131v1
Image document

In situ fatigue tests under X-ray tomography: damage mechanisms in a cast Aluminium Silicon alloy

Nathalie Limodin , Long Wang , Nora Dahdah , Ahmed El Bartali , Jean-Francois Witz
9th European Solid Mechanics Conference (ESMC 2015), Jul 2015, Leganes-Madrid, Spain. pp.676
Communication dans un congrès hal-01736327v1

Cyclic plasticity in duplex stainless steel

Rian Seghir , Ahmed El Bartali , Jean-Francois Witz , Philippe Dufrenoy , Eric Charkaluk
In Fatigue 2014, Mar 2014, Melbourne, Australia
Communication dans un congrès hal-01768660v1
Image document

Influence of the Casting Microstructure upon the Tensile Behaviour in A319 Al‐Si Alloy Investigated by X‐Ray Tomography and Digital Volume Correlation

Long Wang , Nathalie Limodin , Ahmed El Bartali , Julien Réthoré , Jean‐françois Witz
Second International Congress on 3D Materials Science, 2014, Annecy, France. pp.73-78, ⟨10.1007/978-3-319-48123-4_12⟩
Communication dans un congrès hal-01668787v1

Investigation of the work hardening stages of nickel single crystals from full-field strain measurements

X.G Wang , Abdelali Oudriss , Ahmed El Bartali , Jean-Francois Witz , Rian Seghir
Plasticité 2014, Apr 2014, Lyon, France
Communication dans un congrès hal-01770051v1
Image document

Influence of the Lost Foam Casting Microstructure on Low Cycle Fatigue Damage of A319 Aluminum Alloy

Nora Dahdah , Nathalie Limodin , Ahmed El Bartali , Jean-Francois Witz , Rian Seghir
The 2nd International Congress on 3D Materials Science, Jun 2014, Annecy, France. pp.97-102, ⟨10.1007/978-3-319-48123-4_16⟩
Communication dans un congrès hal-01668786v1

Thermomechanical determination of the CRSS in a polycristal

Rian Seghir , X.G Wang , Ahmed El Bartali , Eric Charkaluk , Jean-Francois Witz
Photomechanics2013, May 2013, montpellier, France
Communication dans un congrès hal-01771079v1
Image document

Apport de la texture dans l'analyse des champs thermomécaniques polycristallins

Rian Seghir , Jean-Fançois Witz , Eric Charkaluk , Philippe Dufrenoy
10e colloque national en calcul des structures, May 2011, Giens, France. pp.Clé USB
Communication dans un congrès hal-00592819v1

Influence of the Casting Process in High Temperature Fatigue of A319 Aluminium Alloy Investigated By In-Situ X- Ray Tomography and Digital Volume Correlation

Nora Dahdah , Nathalie Limodin , Ahmed El Bartali , Jean-François Witz , Rian Seghir
Procedia Structural Integrity, 2016, 2, pp.3057-3064. ⟨10.1016/j.prostr.2016.06.382⟩
Article dans une revue hal-01612309v1
Image document

Damage Investigation in A319 Aluminium Alloy by X-ray Tomography and Digital Volume Correlation during In Situ High-Temperature Fatigue Tests

Nora Dahdah , Nathalie Limodin , Ahmed El Bartali , Jean-Francois Witz , Rian Seghir
Strain, 2016, 52 (4), pp.324-335. ⟨10.1111/str.12193⟩
Article dans une revue hal-01419328v1
Image document

Influence of pores on crack initiation in monotonic tensile and cyclic loadings in lost foam casting A319 alloy by using 3D in-situ analysis

Long Wang , Nathalie Limodin , Ahmed El Bartali , Jean-Francois Witz , Rian Seghir
Materials Science and Engineering, 2016, 673, pp.362-372. ⟨10.1016/j.msea.2016.07.036⟩
Article dans une revue hal-01433827v1
Image document

A Dedicated DIC Methodology for Characterizing Plastic Deformation in Single Crystals

Xiaogang Wang , Jean-François Witz , Ahmed El Bartali , Abdelali Oudriss , Rian Seghir
Experimental Mechanics, 2016, 56 (7), pp.1155-1167. ⟨10.1007/s11340-016-0159-9⟩
Article dans une revue hal-01358974v1
Image document

Microplasticity in Polycrystals: A Thermomechanical Experimental Perspective

Eric Charkaluk , Rian Seghir , Laurence Bodelot , Jean-Francois Witz , Philippe Dufrenoy
Experimental Mechanics, 2015, 55 (4), pp.741-752. ⟨10.1007/s11340-014-9921-z⟩
Article dans une revue hal-01235785v1
Image document

An improved Lagrangian thermography procedure for the quantification of the temperature fields within polycrystals

Rian Seghir , Jean-Francois Witz , Laurence Bodelot , Eric Charkaluk , Philippe Dufrenoy
Quantitative InfraRed Thermography Journal, 2013, 10 (1), pp.74-95. ⟨10.1080/17686733.2013.785207⟩
Article dans une revue hal-00871131v1

Improvement of thermomechanical full-field analysis of metallic polycrystals using crystallographic data

Rian Seghir , Jean-Francois Witz , Eric Charkaluk , Philippe Dufrenoy
Mechanics & Industry, 2013, 13 (6), pp.395-403. ⟨10.1051/meca/2012035⟩
Article dans une revue hal-00863628v1
Image document

Numerical and experimental estimation of thermomechanical fields heterogeneity at the grain scale of 316L stainless steel

Rian Seghir , Laurence Bodelot , Eric Charkaluk , Philippe Dufrenoy
Computational Materials Science, 2012, 53 (1), pp.464-473. ⟨10.1016/j.commatsci.2011.08.036⟩
Article dans une revue hal-00636682v1