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Number of documents

84

VELAY Vincent

 

 

Fields of research:

 

 

 

Inelastic behaviour of metallic materials, Constitutive laws and Multiscale Modelling under thermo-mechanical solicitations, Tool Steels, Titanium alloys, Hot and Supeplastic forming processes.

 

 

 

Education and Professional experience

 

 

 

- 2005 ~ present: Assistant Professor at IMT Mines Albi, belonging to the Institut Clement Ader Research Lab, Metallic material and processes research team (SUMO-ICA, CNRS UMR 5312)

 

-2003-2005: Research Engineer at Institut Clément Ader at Mines Albi (formerly known as Research Centre of Forming Tools, Materials and Processing)

 

- 2003: Doctor degree in Ecole des Mines de Paris (Ph.D. Thesis in Solid Mechanics)

 

- 2000: Master Degree in Toulouse University (Paul Sabatier University - Department of Mathematics)

 

 

 

Programming skills

 

 

 

Matlab, Fortran, Python, C++ and FEM (ABAQUS)

 

Operating systems: Linux, MacOS, Windows

 

 

 

 

Journal articles33 documents

  • Fatna Benmessaoud, Mohammed Cheikh, Vincent Velay, Vanessa Vidal, Hiroaki Matsumoto. Role of grain size and crystallographic texture on tensile behavior induced by sliding mechanism in Ti-6Al-4V alloy. Materials Science and Engineering: A, Elsevier, 2020, 774, pp.138835. ⟨10.1016/j.msea.2019.138835⟩. ⟨hal-02432799⟩
  • Laurie Despax, Vanessa Vidal, Denis Delagnes, Moukrane Dehmas, Hiroaki Matsumoto, et al.. Influence of strain rate and temperature on the deformation mechanisms of a fine-grained Ti-6Al-4V alloy. Materials Science and Engineering: A, Elsevier, 2020, 790, pp.1-14/139718. ⟨10.1016/j.msea.2020.139718⟩. ⟨hal-02863273⟩
  • Fatna Benmessaoud, Vincent Velay, Mohammed Cheikh, Vanessa Vidal, Christine Boher, et al.. Multi-Scale Numerical Analysis of the Effect of Microstructural Features on the Mechanical Behavior of Polycrystalline Ti-6Al-4V Alloy. Chemical Engineering Transactions, AIDIC, 2019, 67 (2), pp.227 - 242. ⟨10.24423/EngTrans.1014.20190615⟩. ⟨hal-02201384⟩
  • Q Sirvin, Vincent Velay, Rébecca Bonnaire, Luc Penazzi. Mechanical behaviour modelling and finite element simulation of simple part of Ti-6Al-4V sheet under hot/warm stamping conditions. Journal of Manufacturing Processes, Society of Manufacturing Engineers, 2019, 38, pp.472-482. ⟨10.1016/j.jmapro.2018.12.010⟩. ⟨hal-02007864⟩
  • Hiroyuki Imai, Gen Yamane, Hiroaki Matsumoto, Vanessa Vidal, Vincent Velay. Superplasticity of metastable ultrafine-grained Ti 6242S alloy: Mechanical flow behavior and microstructural evolution. Materials Science and Engineering: A, Elsevier, 2019, 754, pp.569-580. ⟨10.1016/j.msea.2019.03.085⟩. ⟨hal-02083548⟩
  • Hiroaki Matsumoto, Takuro Nishihara, Vincent Velay, Vanessa Vidal. Superplastic Property of the Ti-6Al-4V Alloy with Ultrafine-Grained Heterogeneous Microstructure. Advanced Engineering Materials, Wiley-VCH Verlag, 2018, 20 (1), pp.1700317. ⟨10.1002/adem.201700317⟩. ⟨hal-01693763⟩
  • Florian Boutenel, Myriam Delhomme, Vincent Velay, Romain Boman. Finite element modelling of cold drawing for high-precision tubes. Comptes Rendus Mécanique, Elsevier Masson, 2018, 346 (8), pp.665-677. ⟨10.1016/j.crme.2018.06.005⟩. ⟨hal-01822637⟩
  • Renaud Julien, Vincent Velay, Vanessa Vidal, Yoann Dahan, Romain Forestier, et al.. Characterization and modeling of forged Ti-6Al-4V Titanium alloy with microstructural considerations during quenching process. International Journal of Mechanical Sciences, Elsevier, 2018, 142-143, pp.456-467. ⟨10.1016/j.ijmecsci.2018.05.023⟩. ⟨hal-01799489⟩
  • Maxime Rollin, Luc Penazzi, Vincent Velay, Alain Dupuy, Sylvie Gallet. A new numerical strategy for SPF pressure profile computing based on statistical strain rate controlling. International Journal of Mechanical Sciences, Elsevier, 2018, 141, p.479-490. ⟨10.1016/j.ijmecsci.2018.04.021⟩. ⟨hal-01781300⟩
  • Marcio Wagner Batista dos Santos, Vincent Velay, Vanessa Vidal, Gérard Bernhart, Gilmar Ferreira Batalha, et al.. Mechanical behavior of a Ti-6Al-4 V titanium alloy with microstructural evolution modeling under hot and superplastic conditions. Materials Science and Engineering Technology / Materialwissenschaft und Werkstofftechnik, Wiley-VCH Verlag, 2017, Special Issue: 11th European Conference on Superplastic Forming (EuroSPF) (Selected contributions), 48 (10), p.952-961. ⟨10.1002/mawe.201700040⟩. ⟨hal-01622051⟩
  • R. Julien, Vincent Velay, Vanessa Vidal, Y. Dahan, R. Forestier, et al.. Tensile behaviour of high temperature forged Ti-6Al-4V during in-situ heat treatments. Materials Letters, Elsevier, 2017, 208, p. 7-9. ⟨10.1016/j.matlet.2017.05.050⟩. ⟨hal-01620026⟩
  • Hiroaki Matsumoto, Vincent Velay. Mesoscale modeling of dynamic recrystallization behavior, grain size evolution, dislocation density, processing map characteristic, and room temperature strength of Ti-6Al-4V alloy forged in the (α+β) region. Journal of Alloys and Compounds, Elsevier, 2017, 708, pp.404 - 413. ⟨10.1016/j.jallcom.2017.02.285⟩. ⟨hal-01819060⟩
  • Vincent Velay, Abderrahim Michrafy. An analytical model for the prediction of hot roll temperatures in a hot rolling process. Materials Science and Engineering Technology / Materialwissenschaft und Werkstofftechnik, Wiley-VCH Verlag, 2016, 47 (12), p. 1202-1215. ⟨10.1002/mawe.201600554⟩. ⟨hal-01609107⟩
  • Vincent Velay, H. Matsumoto, Vanessa Vidal, A. Chiba. Behavior modelling and microstructural evolutions of Ti-6Al-4V alloy under hot forming conditions. International Journal of Mechanical Sciences, Elsevier, 2016, 108-109, pp.1-13. ⟨10.1016/j.ijmecsci.2016.01.024⟩. ⟨hal-01384397⟩
  • Ahmed Zouaghi, Vincent Velay, Adriana Soveja, Thomas Pottier, Mohammed Cheikh, et al.. A multi-scale approach to investigate the non linear subsurface behavior and strain localization of X38CrMoV5-1 martensitic tool steel: experiment and numerical analysis. International Journal of Plasticity, Elsevier, 2016, 87, pp.130-153. ⟨10.1016/j.ijplas.2016.09.007⟩. ⟨hal-01398857⟩
  • Hiroaki Matsumoto, Vincent Velay, Akihiko Chiba. Flow behavior and microstructure in Ti-6Al-4V alloy with an ultrafine-grained alpha-single phase microstructure during low-temperature-high-strain-rate superplasticity. Materials and Design, Elsevier, 2015, 66, p. 611-617. ⟨10.1016/j.matdes.2014.05.045⟩. ⟨hal-01611092⟩
  • Gérard Bernhart, Vincent Velay, Thierry Cutard. Moules pour formage superplastique du titane : matériaux, propriétés et conception. Bulletin du cercle d'études des métaux, Cercle d'études des métaux (Saint-Etienne), 2015, 18 (16), 20 p. ⟨hal-01679861⟩
  • Vincent Velay, H. Matsumoto, L. Sasaki, Vanessa Vidal. Investigation of the mechanical behaviour of Ti-6Al-4V alloy under hot forming conditions: Experiment and modelling. Materials Science and Engineering Technology / Materialwissenschaft und Werkstofftechnik, Wiley-VCH Verlag, 2014, 45 (9), p. 847-853. ⟨10.1002/mawe.201400293⟩. ⟨hal-01611987⟩
  • Marie Poitrimolt, Mohammed Cheikh, Gérard Bernhart, Vincent Velay. Characterisation of the transverse mechanical properties of carbon/carbon composites by spherical indentation. Carbon, Elsevier, 2014, 66, p. 234-245. ⟨10.1016/j.carbon.2013.08.063⟩. ⟨hal-01611612⟩
  • Marie-Cécile Robin, Denis Delagnes, Roland E. Logé, Pierre-Olivier Bouchard, Stéphanie da Costa, et al.. Thermo-mechanical fatigue behaviour of welded tubular parts made of ferritic stainless steel. International Journal of Fatigue, Elsevier, 2013, 54, pp.84 - 98. ⟨10.1016/j.ijfatigue.2013.04.004⟩. ⟨hal-01398870⟩
  • Vincent Velay, Thierry Cutard, N. Guegan. Thermal behaviour modelling of superplastic forming tools. Materials Science and Engineering Technology / Materialwissenschaft und Werkstofftechnik, Wiley-VCH Verlag, 2012, 43 (9, SI), pp.799-804. ⟨10.1002/mawe.201200045⟩. ⟨hal-01687323⟩
  • Laurent Robert, Vincent Velay, Nicolas Decultot, Souleymane Ramde. Identification of hardening parameters using finite element models and full-field measurements: some case studies. Journal of Strain Analysis for Engineering Design, SAGE Publications, 2012, 47 (1), pp.3-17. ⟨10.1177/0309324711430022⟩. ⟨hal-00736790⟩
  • Jean-José Orteu, Florian Bugarin, J. Harvent, Laurent Robert, Vincent Velay. Multiple-Camera Instrumentation of a Single Point Incremental Forming Process Pilot for Shape and 3D Displacement Measurements: Methodology and Results. Experimental Mechanics, Society for Experimental Mechanics, 2011, 51 (4), pp.625-639. ⟨10.1007/s11340-010-9436-1⟩. ⟨hal-01170378⟩
  • Traian Branza, F. Deschaux-Beaume, Vincent Velay, Philippe Lours. A microstructural and low-cycle fatigue investigation of weld-repaired heat-resistant cast steels. Journal of Materials Processing Technology, Elsevier, 2009, 209 (2), pp.944-953. ⟨10.1016/j.jmatprotec.2008.03.002⟩. ⟨hal-01703246⟩
  • Katia Mocellin, Matthieu Ferraro, Vincent Velay, Roland E. Logé, Farhad Rezai-Aria. Numerical life prediction of mechanical fatigue for hot forging tools. International Journal of Material Forming, Springer Verlag, 2009, 2 (Supplement 1), pp.Pages 129-132. ⟨10.1007/s12289-009-0537-2⟩. ⟨hal-00509438⟩
  • Maxime Bordival, Fabrice Schmidt, Yannick Le Maoult, Vincent Velay. Optimization of Preform Temperature Distribution for the Stretch-Blow Molding of PET Bottles: Infrared Heating and Blowing Modeling. Polymer Engineering and Science, Wiley-Blackwell, 2009, 49 (4), pp.783-793. ⟨10.1002/pen.21296⟩. ⟨hal-01703247⟩
  • Nicolas Decultot, Vincent Velay, Laurent Robert, Gérard Bernhart, Elisabeth Massoni. Behaviour modelling of aluminium alloy sheet for single point incremental forming. International Journal of Material Forming, Springer Verlag, 2008, 1 (Suppl.1), p.1151-1154. ⟨10.1007/s12289-008-0184-z⟩. ⟨hal-01851425⟩
  • Vincent Velay, Denis Delagnes, Gérard Bernhart. Advances in cyclic behavior and lifetime modeling of tempered martensitic steels based on microstructural considerations. Key Engineering Materials, Trans Tech Publications, 2008, 378-379, pp.81-100. ⟨10.4028/www.scientific.net/KEM.378-379.81⟩. ⟨hal-01384451⟩
  • Z. Ahmer, Vincent Velay, Gérard Bernhart, Farhad Rezai-Aria. Cyclic behaviour simulation of X38CRMOV5-47HRC (AISI H11)-tempered martensitic hot-work tool steel. International Journal of Microstructure and Materials Properties, Inderscience, 2008, 3 (2/3), pp.326-335. ⟨10.1504/IJMMP.2008.018738⟩. ⟨hal-02136921⟩
  • Vincent Velay, Gérard Bernhart, Denis Delagnes. Identification and validation of a continuum damage model applied for the lifetime prediction of H11 tool steel. International Journal of Microstructure and Materials Properties, Inderscience, 2008, 3 (2-3), p.282-296. ⟨10.1504/IJMMP.2008.018735⟩. ⟨hal-01851422⟩
  • Samia Hmida Maamar, Fabrice Schmidt, Laurent Robert, Vincent Velay, Daniel Mercier. Identification de paramètres de comportement de membranes en polymères durant le procédé de soufflage. Matériaux & Techniques, EDP Sciences, 2007, 94 (5), pp.371-378. ⟨10.1051/mattech:2007010⟩. ⟨hal-01851430⟩
  • Vincent Velay, Gérard Bernhart, Luc Penazzi. Cyclic behavior modeling of a tempered martensitic hot work tool steel. International Journal of Plasticity, Elsevier, 2006, 22, pp.459 - 496. ⟨10.1016/j.ijplas.2005.03.007⟩. ⟨hal-01384440⟩
  • Vincent Velay, Gérard Bernhart, Denis Delagnes, Luc Penazzi. A continuum damage model applied to high temperature fatigue lifetime prediction of a martensitic tool steel. Fatigue & Fracture of Engineering Materials & Structures, Wiley-Blackwell, 2005, 28 (11), pp.1009-1023. ⟨10.1111/j.1460-2695.2005.00939.x⟩. ⟨hal-01384443⟩

Conference papers46 documents

  • Laurie Despax, Vanessa Vidal, Denis Delagnes, Moukrane Dehmas, Hiroaki Matsumoto, et al.. Mechanical behaviour and microstructural evolution in fine grain Ti-6Al-4V alloy under superplastic conditions. Ti 2019 - The 14th world conference on titanium, Jun 2019, Nantes, France. ⟨hal-02384341⟩
  • Hiroaki Matsumoto, Vincent Velay, Vanessa Vidal. Enhancement of superplasticity of the Ti-6Al-4V alloy via ultrafine grained heterogeneous microstructural control and metastable microstructural control. Ti2019 - The 14th world conference on titanium, Jun 2019, Nantes, France. ⟨hal-02384925⟩
  • Gen Yamane, Felantsoa Avotriniaina, Hiroyuki Imai, Longqiu Song, Vanessa Vidal, et al.. Experimental study of the superplastic and hot deformation mechanisms of a Ti-6Al-2Sn-4Zr-2Mo Titanium Alloy. Ti 2019 - The 14th world conference on titanium, Jun 2019, Nantes, France. ⟨hal-02384311⟩
  • Damien Texier, Q Sirvin, Vincent Velay, Mehdi Salem, Daniel Monceau, et al.. Oxygen/nitrogen-assisted degradation of the mechanical behavior of titanium alloys exposed at elevated temperature. Ti2019: The 14th world conference on titanium, Jun 2019, Nantes, France. ⟨hal-02359251⟩
  • F Benmessaoud, Mohammed Cheikh, Vincent Velay, Vanessa Vidal, Farhad Rezai-Aria, et al.. SIMULATION MULTI-ECHELLE DU COMPORTEMENT MECANIQUE D’UN ALLIAGE DE TITANE TI-6AL-4V: Etude de L’influence de la Taille, la Dispersion Relative et la Texture Cristallographique des Grains. ICEMAEP2018, Apr 2018, Constantine, Algérie. ⟨hal-01866326⟩
  • Gen Yamane, Vincent Velay, Vanessa Vidal, Hiroaki Matsumoto. Mechanical Behavior of Ti-6Al-2Sn-4Zr-2Mo Titanium Alloy under Hot and Superplastic Forming Conditions: Experiment and Modeling. ICSAM 2018 - 13th International Conference on Superplasticity in Advanced Materials, Aug 2018, St Petersbourg, Russia. pp.413-418, ⟨10.4028/www.scientific.net/DDF.385.413⟩. ⟨hal-01864430⟩
  • Laurie Despax, Vanessa Vidal, Denis Delagnes, Moukrane Dehmas, Morgane Geyer, et al.. Superplasticity in Fine Grain Ti-6Al-4V Alloy: Mechanical Behavior and Microstructural Evolution. ICSAM 2018 - 13th International Conference on Superplasticity in Advanced Materials, Aug 2018, St Pertersbourg, Russia. pp.137-143, ⟨10.4028/www.scientific.net/DDF.385.137⟩. ⟨hal-01864428⟩
  • Q Sirvin, Vincent Velay, Rébecca Bonnaire, Luc Penazzi. Mechanical Behavior And Modelisation Of Ti-6Al-4V Titanium Sheet Under Hot Stamping Conditions. ESAFORM 2017, Apr 2017, Dublin (et environs), Ireland. ⟨10.1063/1.5007973⟩. ⟨hal-01615828⟩
  • A. Zouaghi, Vincent Velay, Adriana Soveja, Farhad Rezai-Aria, Thomas Pottier, et al.. Multi-scale Modelling of the Surface Behaviour of AISI H11 Tool Steels. TOOL 2016 - 10th TOOL Conference, Oct 2016, Bratislava, Slovakia. 562 p. ⟨hal-02048662⟩
  • A. Zouaghi, Adriana Soveja, Farhad Rezai-Aria, Thomas Pottier, Mohammed Cheikh, et al.. Multi-scale surface modeling of the nonlinear mechanical behaviour of AISI H11 hot work tool steel. International Conference on Plasticity, Damage, and Fracture, 2016, Panama City, Panama. ⟨hal-02049843⟩
  • Christine Boher, Vanessa Vidal, Vincent Velay, Farhad Rezai-Aria, E. Cabrol, et al.. Résultats tribologiques de dépôts obtenus par différentes techniques HVOF, MIG, PTA & LASER. 5e Conférence Internationale, de la projection thermique à la fabrication additive, 7 et 8 décembre - Pau- France - (2016), 2016, Pau, France. ⟨hal-02049844⟩
  • M. Rollin, Luc Penazzi, Vincent Velay, A. Dupuy, S. Gallet. Superplastic forming optimization technique based on average strain rate controlling – Numerical simulation and experimental validation. EuroSPF 2016, 2016, Toulouse, France. ⟨hal-02049064⟩
  • Vincent Velay, Hiroaki Matsumoto, Vanessa Vidal, Luc Penazzi, Fabien Nazaret, et al.. Hot Forming Process Analysis of Ti6Al-4V Alloy: Experiment, Behaviour Modelling and Finite Element Simulation. ICSAM 2015 - 12th International Conference on Superplasticity in Advanced Materials, Sep 2015, Tokyo, Japan. p. 183 - 189, ⟨10.4028/www.scientific.net/MSF.838-839.183⟩. ⟨hal-01633650⟩
  • Maxime Rollin, Vincent Velay, Luc Penazzi, Thomas Pottier, Thierry Sentenac, et al.. Thermo-Mechanical Modeling of Distortions Promoted during Cooling of Ti-6Al-4V Part Produced by Superplastic Forming. ICSAM 2015 - 12th International Conference on Superplasticity in Advanced Materials, Sep 2015, Tokyo, Japan. p. 196 - 201, ⟨10.4028/www.scientific.net/MSF.838-839.196⟩. ⟨hal-01633694⟩
  • R. Julien, Vincent Velay, Vanessa Vidal, Mehdi Salem, Y. Dahan, et al.. Thermomechanical behaviour and microstructural evolution of high temperature forged Ti-6Al-4V during heat treatment quenching. 12th International Conference on the Mechanical Behavior of Materials, Karlsruhe - GERMANY, 2015, Karlsruhe, Netherlands. ⟨hal-02052664⟩
  • H. Matsumoto, Vincent Velay, A. Chiba. Superplasticity of the Ultrafine-Grained Ti-6Al-4V Alloy with a Metastable α-Single Phase Microstructure. TI 2015 - 13th World Conference on Titanium, Aug 2015, San Diego, California, United States. 789-792 (Chapter 133), ⟨10.1002/9781119296126.ch133⟩. ⟨hal-02052460⟩
  • Ahmed Zouaghi, Vincent Velay, Adriana Soveja, Farhad Rezai-Aria. Multi-scale modelling of AISI H11 martensitic tool steel surface anisotropic mechanical behaviour. FDMD II - JIP 2014 - FATIGUE DESIGN & MATERIAL DEFECTS, Jun 2014, Paris, France. art. 04018 - 2 p., ⟨10.1051/matecconf/20141204018⟩. ⟨hal-01611985⟩
  • Paul Le Baillif, Pascal Lamesle, Denis Delagnes, Vincent Velay, Christian Dumont, et al.. Influence of the quenching rate and step-wise cooling temperatures on microstructural and tensile properties of PER72 (R) Ni-based superalloy. EUROSUPERALLOYS 2014 - 2nd European Symposium on Superalloys and their Applications, May 2014, Giens, France. art. 21002 - 6 p., ⟨10.1051/matecconf/20141421002⟩. ⟨hal-01611618⟩
  • Ahmed Zouaghi, Vincent Velay, Adriana Soveja, Farhad Rezai-Aria. A numerical investigation on the heterogeneous and anisotropic mechanical behaviour of AISI H11 steel using various stress-strain formulations : a multi-scale approach. WCCM - 11th World Congress on Computational Mechanics / ECCM - 5th European Conference on Computational Mechanics / ECFD - 6th European Conference on Computational Fluid Dynamics, Jul 2014, Barcelone, Spain. p. 3415-3425. ⟨hal-01611986⟩
  • Manel Baccar, Sayyid Masoodur Rahman Shah, Vincent Velay, Catherine Mabru, Farhad Rezai-Aria. Analysis of crack propagation and crack tip opening displacements by measurements 2-D digital image correlation in a hot working tool steel. TOOL 2012 -9th International tooling conference, Sep 2012, Leoben, Austria. p.463-466. ⟨hal-01760273⟩
  • Y. Balcaen, L. Robert, Vincent Velay, Vanessa Vidal, Philippe Lours. Accurate strain analysis of Titanium sheet in single point incremental forming process by digital image correlation. Photomechanics 2011, Brussels, Belgium, february, 2011, Brussels, Belgium. ⟨hal-02191656⟩
  • Vanessa Vidal, Yannick Balcaen, Florence Pettinari-Sturmel, Joël Douin, Philippe Lours, et al.. Experimental Study of the Deformation Mechanisms in Textured Alpha-titanium Alloy Sheets. Ti 2011 - 12th World conference on titanium, Jun 2011, Beijing, China. pp.1290-1293. ⟨hal-01703241⟩
  • Yannick Balcaen, Vanessa Vidal, Vincent Velay, Laurent Robert, Philippe Lours, et al.. Comparative Study, in Pure Titanium Sheet, of the Microstructural Evolution Induced by Incremental Forming Process and Plane Strain Tensile Tests. Ti 2011 - 12th World conference on titanium, Jun 2011, Beijing, China. pp.1148-1151. ⟨hal-01703240⟩
  • Fabio Taina, Marco Pasqualon, Vincent Velay, Denis Delagnes, Philippe Lours. Effect of the LCF loading cycle characteristics on the fatigue life of inconel 718 at high temperature. 7th International symposium on superalloy 718 and derivatives, Oct 2010, Pittsburgh, United States. p.893-905. ⟨hal-01760282⟩
  • Nicolas Decultot, Laurent Robert, Vincent Velay, Gérard Bernhart. Single point incremental sheet forming investigated by in-process 3D digital image correlation. ICEM 14 - 14th International Conference on Experimental Mechanics, Jun 2010, Poitiers, France. pp.11001, ⟨10.1051/epjconf/20100611001⟩. ⟨hal-01703244⟩
  • Emeline Bessard, Vincent Velay, Christine Boher, Vincent Debout, Olivier Brucelle. Comportement tribologique d'un revêtement muni de particules lubrifiantes : expérimentation et modélisation. JIFT 2010 - Journées Internationales Francophones de Tribologie, May 2010, Albi, France. p.417-426. ⟨hal-01731446⟩
  • Mehdi Salem, Vincent Velay, Mohammed Cheikh, Gilles Dour, Pascal Lamesle, et al.. Fatigue life modelling of hot forming tools. 8ITC - 8th International Tooling Conference, Jun 2009, Aachen, Germany. p.455-464. ⟨hal-01685213⟩
  • Gérard Bernhart, Vincent Velay, Philippe Lours. Heat Resistant Ni-Cr-Fe Steels for Superplastic Forming Dies: From Material Microstructure to Die Design. ICSAM 2009 - 10th International Conference on Superplasticity in Advanced Materials, Jun 2009, Seattle, United States. pp.77-84, ⟨10.4028/www.scientific.net/KEM.433.77⟩. ⟨hal-01703242⟩
  • Vincent Velay, Gérard Bernhart, A. Martinier, J-Y. Moraux. High Temperature Fatigue of SPF Die Ni-Cr-Fe Heat Resistant Nickel-Chromium Cast Steels. ICSAM 2009 - 10th International Conference on Superplasticity in Advanced Materials, Jun 2009, Seattle, United States. pp.69+, ⟨10.4028/www.scientific.net/KEM.433.69⟩. ⟨hal-01703243⟩
  • Vincent Velay, Thierry Cutard, N. Guegan. Thermal behaviour modelling of superplastic forming tools. EuroSPF08 - 6th EUROSPF Conference, Sep 2008, Carcassonne, France. p. 1-9. ⟨hal-00348613⟩
  • Nicolas Decultot, Gérard Bernhart, Laurent Robert, Vincent Velay, Elisabeth Massoni. Etude du comportement de tôle d'aluminium emboutie par formage incrémental. MECAMAT, Jan 2008, Aussois, France. 4 p. ⟨hal-01771378⟩
  • Nicolas Decultot, Vincent Velay, Laurent Robert, Gérard Bernhart, Elisabeth Massoni. Behaviour modelling of aluminium alloy sheet for Single Point Incremental Forming. 11th ESAFORM Conference on Material Forming, Apr 2008, Lyon, France. pp.Pages 1151-1154, ⟨10.1007/s12289-008-0184-z⟩. ⟨hal-00510321⟩
  • Florian Bugarin, N. Decultot, Michel Devy, J. Harvent, Jean-José Orteu, et al.. Multi-camera computer vision for large volume inspection: (a) aeronautical parts inspection and (b) incremental forming. Large Volume Metrology Conference 2008 (LVMC'2008), Liverpool (UK), 4-5 November 2008, 2008, Liverpool, United Kingdom. ⟨hal-02056726⟩
  • Marie Cécile Robin, Pierre-Olivier Bouchard, Roland Loge, Denis Delagnes, Vincent Velay, et al.. Study of the mechanical behavior of welded tubular joints for a better prediction of their life under thermo mechanical fatigue. MECAMAT 2007, Jan 2007, Aussois, France. 4 p. ⟨hal-01771393⟩
  • Marie Cécile Robin, Pierre-Olivier Bouchard, Roland Loge, Vincent Velay, Denis Delagnes, et al.. Car manifold's fatigue life under thermo mechanical loadings. Fatigue Design 2007, Nov 2007, Senlis, France. 7 p. ⟨hal-01760293⟩
  • Laurent Robert, Samia Hmida Maamar, Vincent Velay, Fabrice Schmidt. Determination of the elongational properties of polymers using a mixed numerical-experimental method. ICEM13 - 13th International conference on experimental mechanics, Jul 2007, Alexanroupolis, Greece. 8 p., ⟨10.1007/978-1-4020-6239-1_331⟩. ⟨hal-01818874⟩
  • Maxime Bordival, Fabrice Schmidt, Yannick Le Maoult, Vincent Velay. Simulation of the two stages stretch-blow molding process: Infrared heating and blowing modeling. NUMIFORM 2007 - 9th International conference on numerical methods in industrial forming processes, Jun 2007, Porto, Portugal. pp.519+. ⟨hal-01703248⟩
  • Vincent Velay, Laurent Robert, Fabrice Schmidt, S. Hmida, T. Vallet. Behaviour model identification based on inverse modeling and using Optical Full Field Measurements (OFFM): application on rubber and steel. 10th ESAFORM conference on material forming, Apr 2007, Zaragoza, Spain. pp.33-38. ⟨hal-01703249⟩
  • Vincent Velay, Gérard Bernhart, Denis Delagnes. Identification and validation of a continuum damage model applied for lifetime prediction of H11 tool steel. TOOL 06 -7th International tooling conference, May 2006, Torino, Italy. p.557-564. ⟨hal-01788411⟩
  • Zeeshan Ahmer, Vincent Velay, Gérard Bernhart, Farhad Rezai-Aria. Cyclic behaviour simulation of X38CrMoV5-47HRC (AISI H11) tempered martensitic hot work tool steel. TOOL 06-7e International tooling conference, May 2006, TORINO, Italy. p.513-520. ⟨hal-01796826⟩
  • Samia Hmida Maamar, Fabrice Schmidt, Laurent Robert, Vincent Velay. Parameters identification using field measurements of polymer membranes during bubble inflation technique. Photomecanics 2006, Jul 2006, Clermont-Ferrand, France. 18 p. ⟨hal-01788413⟩
  • Vincent Velay, Gérard Bernhart, Denis Delagnes, Luc Penazzi. A continuum damage model applied to fatigue lifetime predicition of a martensitic tool steel. ICIT 2005 -5th International Conference on Industrial Tools, Apr 2005, Velenje, Slovenia. p.227-232. ⟨hal-01796834⟩
  • Gérard Bernhart, Vincent Velay, Eric Jourdain. Thermomechanical simulation of NI-CR-FE heat resistant SPF dies. Euro SPF'05 -4th European Conference on Superplastic Forming, Jun 2005, Manchester, United Kingdom. p.115-120. ⟨hal-01788423⟩
  • Vincent Velay, Gérard Bernhart, Luc Penazzi, Zhanping Zhang. Modélisation du comportement cyclique d'aciers à outils martensitiques. MECAMAT -Ecole mécanique des matériaux, Jan 2002, Aussois, France. p.288-291. ⟨hal-01798917⟩
  • Vincent Velay, Gérard Bernhart, Zhanping Zhang, Luc Penazzi. Cyclic behaviour modelling of martensitic hot work tool steels. CAMP2002 -Conferences on applied mechanics, materials science and joining and forming processes, Apr 2002, Paderborn, Germany. p.64-75. ⟨hal-01796849⟩
  • Vincent Velay, Gérard Bernhart, Luc Penazzi, A. Persson, Jens Bergstrom. Thermal fatigue of a tool steel : experiment and numerical simulation. 6th international tooling conference, Sep 2002, Karlstad, Sweden. p.667-685. ⟨hal-01788439⟩

Poster communications2 documents

  • A. Zouaghi, Vincent Velay, Adriana Soveja, R. Chieragatti, Farhad Rezai-Aria. Une étude multi-échelle du comportement en surface de l´acier X38CrMoV5 : approche numérique et expérimentale. 21ème CONGRÉS FRANÇAIS DE MÉCANIQUE [CFM2013], 2013, Bordeaux, France. 2013. ⟨hal-02183555⟩
  • Y. Balcaen, N. Decultot, Vanessa Vidal, Vincent Velay, L. Robert, et al.. Étude des mécanismes de déformation en formage incrémental. Colloque Plasticité 2010, 2010, Toulouse, France. 2010. ⟨hal-02193785⟩

Book sections1 document

  • Gérard Bernhart, Philippe Lours, Thierry Cutard, Vincent Velay, Fabien Nazaret. Processes and equipment for superplastic forming of metals. Extrait de : Superplastic forming of advanced metallic materials : methods and applications (chap. 3) / sous la dir. de G. GIULIANO, Woodhead Publishing, p.49-71, 2011, 978-1-84569-753-2. ⟨10.1533/9780857092779.1.49⟩. ⟨hal-01729123⟩

Patents1 document

  • F. Nazaret, E. Lebard, Yannick Le Maoult, Luc Penazzi, Vanessa Vidal, et al.. Procédé de pilotage d'une machine de formage superplastique et machine correspondante. France, Patent n° : WO2016162642. MICS; SUMO; DOCA-NS. 2016. ⟨hal-02056284⟩

Theses1 document

  • Vincent Velay. Modélisation du comportement cyclique et de la durée de vie d'aciers à outils martensitiques. Engineering Sciences [physics]. École Nationale Supérieure des Mines de Paris, 2003. English. ⟨pastel-00001209⟩