Delphine RETRAINT
Contact details
- Address
- LASMIS LABORATORY University of Technology of Troyes (UTT) 12, rue Marie Curie, CS 42060 10004 Troyes France
- Phone
- 0325715668
- Office
- X123
- delphine.retraint@utt.fr
Teaching and Research fields
Teaching: mechanics and materials, forming processes.
Research: Mechanical surface treatments, shot peening and laser peening processes, SMAT (Surface Mechanical Attrition Treatment – patented in 2000 by UTT), nanostructures, co-rolling, residual stresses, neutron and X-ray diffraction methods, mechanical properties, wear and fatigue properties, post-treatments adapted to additive manufacturing.
Professional
- Sept. 2011-present: Professor at the University of Technology of Troyes.
- 2017-2020: Head of the LASMIS Lab.
- Sept.2018 - Feb.2019: Detached researcher to CNRS (Centre National de la Recherche Scientifique) - research collaboration with ICMMO in Orsay - Paris Saclay University - https://www.icmmo.u-psud.fr/en/.
- Sept.2010: Invited Researcher for 6 months at the University of New South Wales (Sydney – Australia).
- Jan.97 - Aug. 2011: Associate professor at the University of Technology of Troyes.
- Oct. - Dec. 1996: Assistant professor, three month contract, at the Laboratory of Electron Microscopy (INSERM U314) at the University of Reims. Development of a research group on biomaterials. Study of the crystallinity of hydroxyapatite plasma sprayed coating deposited on prosthesis – Electron Microscopy and X-ray diffraction method.
- April - Sept. 1996: Post-doctoral position at the Laboratory of Materials Science at the University of Reims. Study of the ultrasonic shot peening process – Application to Al-SiC composite.
Academics
- Dec. 2009 : Habilitation thesis of the Université de Technologie de Compiègne.
- Dec. 1995 : PhD of the Institut National Polytechnique de Grenoble (INPG) in Materials Science.
- Sept. 1992 : Master degree in Materials Science of the Institut National Polytechnique de Grenoble.
- June 1992 : Engineering Degree in Surface Treatment and Materials of the Ecole Nationale Supérieure d’Electrochimie et d’Electrométallurgie of Grenoble (INPG).
Most significant publications
- J.P. Goulmy, P. Kanoute, E. Rouhaud, L. Toualbi, S. Kruch, V. Boyer, J. Badressine, D. Retraint, "A calibration procedure for the assessment of work hardening Part II: Application to shot peened IN718 parts", Materials Characterization, 175, 111068, 2021.
- Q. Portella, M. Chemkhi, D. Retraint, "Influence of Surface Mechanical Attrition Treatment (SMAT) post-treatment on microstructural, mechanical and tensile behaviour of additive manufactured AISI 316L", Materials Characterization, 167, 110463, 2020.
- T. Gao, Z. Sun, H. Xue, D. Retraint, "Effect of surface mechanical attrition treatment on high cycle and very high cycle fatigue of a 7075-T6 aluminium alloy", International Journal of Fatigue, 139, 105798, 2020.
- Y. Wu, Z. Sun, F. Brisset, T. Baudin, A.L. Helbert, D. Retraint, "In-situ EBSD investigation of thermal stability of a 316L stainless steel nanocrystallized by Surface Mechanical Attrition Treatment", Materials Letters, 263, 127249, 2020.
- Y. Wu, B. Guelorget, Z. Sun, R. Déturche, D. Retraint, "Characterization of gradient properties generated by SMAT for a biomedical grade 316L stainless steel", Materials Characterization, 155, 109788, 2019.
- J. Zhou, Z. Sun, P. Kanouté, D. Retraint, "Reconstruction of residual stress and work hardening and their effects on the mechanical behaviour of a shot peened structure ", Mechanics of Materials, 127, pp. 100-111, 2018.
- K. Aoudia, S. Lamri, S. Achache, D. Retraint, C. Verdy, C. Langlade, S. Azem, F. Sanchette, "Structural and mechanical properties of arc-sprayed Ni-Cr coating post-treated by surface mechanical attrition treatment (SMAT)", Coatings, 8 (12), 424, 2018.
- D.V. Tchana Nkonta, F. Simescu-Lazar, R. Drevet, O. Aaboubi, J. Fauré, D. Retraint, H. Benhayoune, "Influence of the surface mechanical attrition treatment (SMAT) on the corrosion behavior of Co28Cr6Mo alloy in Ringer’s solution", Journal of Solid State Electrochemistry, 22 (4), pp. 1091-1098, 2018.
- S. Benafia, D. Retraint, S. Yapi Brou, B. Panicaud, J.L. Grosseau Poussard, "Influence of Surface Mechanical Attrition Treatment on the oxidation behaviour of 316L stainless steell", Corrosion Science, 136, pp. 188-200, 2018.
- J. Zhou, Z. Sun, P. Kanouté, D. Retraint, "Effect of surface mechanical attrition treatment on low cycle fatigue properties of an austenitic stainless steel", International Journal of Fatigue 103, pp. 309-317, 2017.
- Z. Sun, D. Retraint, T. Baudin, A.L. Helbert, F. Brisset, M. Chemkhi, J. Zhou, P. Kanouté, "Experimental study of microstructure changes due to low cycle fatigue of a steel nanocrystallised by Surface Mechanical Attrition Treatment (SMAT)", Materials Characterization, Vol.124, pp. 117-121, 2017.
- G. Proust, P. Trimby, S. Piazolo, D. Retraint, "Characterization of Ultra-Fine Grained and Nanocrystalline Materials Using Transmission Kikuchi Diffraction". Journal of Visualized Experiments, Issue 122, e55506, 2017.
- M. Chemkhi, D. Retraint, A. Roos, C. Demangel, " Role and effect of mechanical polishing on the enhancement of the duplex mechanical attrition/plasma nitriding treatment of AISI 316L steel", Surface and Coating Technology, Vol.325, pp.454-461, 2017.
- D. Gallitelli, V. Boyer, M. Gelineau, Y. Colaitis, E. Rouhaud, D. Retraint, R. Kubler, M. Desvignes, L. Barrallier, "Simulation of shot peening: From process parameters to residual stress fields in a structure", Compte-rendus - Mécanique, Vol.344 (4-5), pp. 355-374, 2016.
- C Zhai, Y Gan, D Hanaor, G Proust, D Retraint, "The Role of Surface Structure in Normal Contact Stiffness", Experimental Mechanics, Vol.56 (3), pp. 359-368, 2016.
- Z. Sun, D. Retraint, B. Guelorget, L. Waltz. "Micro-pillar compression tests to characterize the mechanical behavior of a nanocrystalline layer induced by SMAT in a 316L stainless steel", Matériaux & Technique, Vol.103 (3), pp. 304, 2015.
- G Proust, D Retraint, M Chemkhi, A Roos, C Demangel, "Electron backscatter diffraction and transmission Kikuchi diffraction analysis of an austenitic stainless steel subjected to surface mechanical attrition treatment and plasma nitriding", Microscopy and Microanalysis 21 (04), pp. 919-926, 2015.