Accéder directement au contenu

Sebastien Rouquette

8
Documents
Identifiants chercheurs

Présentation

**Research fields:** - Experimental observation of phenomena occuring during arc welding operation such as: temperature, arc voltage, current welding, weld pool imaging ... and post operation: microstructure, distortions and residual stresses. Effect of process parameters on temperature field, beld bead geometry, final microstructures, distortions and residual stresses. - modelling and simulation: heat transfers (temperature field, estimation of heat source due to electric arc ...), solid mechanics (effect of elastoplactic models on residual stresses, distortions ...), metallurgical transformations (effect on residual stresses, hardness), fluid mechanics (motion of molten metal in weld pool, effect of welding current, chemical composition of weld pool shape ..). - Processes: GTAW, GMAW **Keywords:** arc welding, wire arc + additive manufacturin, temperature measurement, heat source estimation, inverse heat transfer problems, heat transfer modelling and simulation, microstructure characterization, solid mechanics modelling and simulation, elastoplastic model, residual stresses measurement with neutron diffraction technique ... **Research experiences:** - ***Sept 2008 till now:****Associate Professor*, Laboratoire deMécanique et Génie Civil, Université de Montpellier, CNRS, Montpellier, France (<http://www.lmgc.univ-montp2.fr/spip.php?article89>). Main topic:investigation of physical phenomena occuring during arc welding operation. - ***January 2013 to September 2013 :****By-Fellow of French government*, Churchill College, Cambridge (UK). Topic: In-situ observation of strainevolution during GTA welding withTime Resolved X-Ray Diffraction withx-ray synchrotron. - ***March 2008 to Aug. 2008:*** *Research fellow*, University of Birmingham (UK), Material and Metallurgy Department.Topic: investigation of heat transfer coefficient at the mould- aluminium casting interface under helium environment. - ***Sept. 2006 to feb. 2008:****Post-doctoral research assistant*, Heriot-Watt University, School of Mechanical Engineering, Edinburgh (UK). Topic:Iterative laser straightening of distorted-welded Aluminium alloy plates. - ***Sept. 2004 to Aug. 2006:****Post-doctoral* *r**esearch* *assistant*,Université de Technologie de Troyes, Troyes (France).Topic: Thermo-mechanical simulationof a metallicplate impacted by ametallic ball: application to shot-peening process. - ***Oct. 2003 to Aug. 2004:****Temporary Lecturer position*, Université de Bretagne Sud, Lorient (France). Topic: Estimation of the heat source during bead on plateElectron Beam welding. - ***Oct. 2000 to Sept. 2003:****PhD in Engineering Sciences*, Laboratoire PROcédés, Matériaux et Energie Solaire,Université dePerpignan, Perpignan(France). Thesis: *Identification of heat transfers into a Plasma Assisted Chemical Vapour Deposition (PACVD) process with an inverse method*. **Teaching:** - **Sept. 2008 till now**, IUT de Nîmes, Mechanical Engineering department, Nîmes (France): - Arc welding processes, design of experiments classes. - Practical worksof arc welding &amp; Non Destructive Testing. - **Oct. 2003 to Aug. 2004:**temporary lecturer position, Université de Bretagne sud, Lorient(France). - **Oct. 2000 to Sept. 2003:**teacher, UniversitédePerpignan Via Domitia, Perpignan(France). ``

Publications

fabien-soulie
Image document

Residual stresses in ss316l specimens after deposition of melted filler wire

Sébastien Rouquette , Camille Cambon , Issam Bendaoud , Fabien Soulié
ICRS 11 – The 11th International Conference on Residual Stresses, Mar 2022, Nancy, France
Communication dans un congrès hal-03684721v1

Validation of plane stress assumption on SS316L specimen with one layer.

Sébastien Rouquette , Camille Cambon , Issam Bendaoud , S Cabeza , Fabien Soulié
10th International Conference on Mechanical Stress Evaluation by Neutron and Synchrotron Radiation, Nov 2021, Pragues, Czech Republic
Communication dans un congrès hal-03684666v1
Image document

Influence of the first weld bead on strain and stress states in wire+arc additive manufacturing

Camille Cambon , Issam Bendaoud , Sébastien Rouquette , Fabien Soulié
The 12th International Seminar "Numerical Analysis of Weldability", Institute for Materials Science, Joining and Forming (IMAT), Sep 2018, Seggau, Austria
Communication dans un congrès hal-01954354v1
Image document

Gaussian heat flux parameters estimation during a GTAW operation

Sébastien Rouquette , Fabien Soulié , Sreedhar Unnikrishnakurup
International Conference on Inverse problems in Engineering, May 2014, Cracovie, Poland
Communication dans un congrès hal-01777993v1
Image document

Estimation of the Heat Flux Parameters : Application to GTA Static Welding Spot

Sreedhar Unnikrishnakurup , Sébastien Rouquette , Fabien Soulié , Gilles Fras
4th Inverse Problems, Design and Optimization Symposium, Jun 2013, Albi, France
Communication dans un congrès hal-01777984v1