- Teaching: director of Materials Department of PolyTech Paris-Sud (PoPS), The Engineering Institute of Université Paris-Sud 11 (http://www.polytech.u-psud.fr ), intervention on

• Solid chemistry
• Atomic defects and atomic diffusion
• High temperature corrosion
• Composite materials
• X-ray diffraction and residual stress analysis
• Coatings and thin films for mechanical applications

- Main Research Topics in ICMMO/LEMHE – Associated Research Institute with CNRS (national scientific research center) (http://www.icmmo.u-psud.fr/Labos/LEMHE )
With more then 120 papers in international journals, 85 contributions in conferences, direction or co-direction of 14 Ph.D thesis, participation of 12 another Ph.D thesis with commun publications and direction of 22 Masters thesis, the main scientific research themes are

1. Methodology development of X-ray diffraction residual stress analysis in heterogeneous materials (materials with properties gradient, multiphase materials, thin films, multicrystals etc…);
2. Study of relationship between microstructure evolution, material processing and internal stress (surface modifications, thin films and coatings, surface treatments etc…) by experimentation and by numerical simulation
3. Oxidation kinetics, diffusion mechanism and associated internal stress effects (growth, thermal and residual stress) of alloys and metals at high temperature under dry air and water vapour

All the research works are realized in collaboration with different academic or industrial partners in France, in Europe and in Asia (China and Japan)

- Industrial services with ARTS, Carnot-Institute (http://www.ic-arts.eu/)
With about 150K€ annual contracts at Institute ARTS (Association pour la Recherche Technologique et Scientifique), industrial collaborations with different activities (aeronautics, space, transport, mechanical construction, metallurgy)

• Residual stress analysis by X-ray diffraction (XRD)
• Surface modification by coating and thin films for mechanical applications
• Microstructure analysis by optic microscope, SEM, SEM-FEG
• Strain and stress analysis of oxide scales growth by In-situ deflexion measurement
• Oxidation kinetic study by thermogravimetry analysis (TGA)
• Mechanical tests (monotone, cyclic, static, dynamic)
• Heat treatments of metallic alloys

 

University Degrees :

2003, HDR (Habilitation à diriger des Recherches) « Physics Science », Université Lille 1 (http://www.univ-lille1.fr/recherche/Presentation-recherche/Laboratoires-Equipements?contentId=4592), under the direction of Professor Jacques Foct and Alain Iost
1989, PhD Thesis « Mécanique et Matériaux », Arts et Métiers ParisTech (Ecole Nationale Supérieure d’Arts et Métiers, Paris) http://www.ensam.eu/fr/centres_et_instituts/centre_paris ), under the direction of Professor Gérard Maeder
1986, Master « Métallurgie Spéciale et Matériaux » INSTN (Saclay, http://www-instn.cea.fr/spip.php?rubrique149&lang=fr ) -Université Paris-Sud 11 (Orsay)
1984, Engineer «Materials Science and Engineering », Beijing University of Aeronautics and Astronautics (Beijing, China, http://ev.buaa.edu.cn/education/dispdepart.php?depart=mse )

 

Professional Cursus

Since September 2007, Professor at Université Paris-Sud 11, Orsay with ICMMO (Institut de Chimie Moléculaire et Matériaux d’ORSAY) for scientific research and with PolyTech Paris-Sud (The Engineering Institute of Univ. Paris-Sud 11) for teaching
Since 2004, external collaborator with Laboratoire Léon-Brillouin (http://www-llb.cea.fr/index.php), French Neutron facility co-managed by CNRS (Centre National des Recherches Scientifiques) and CEA (Commissariat d’Energie Atomic) at Saclay
from October 1994 to July 2007, Associated Professor (maître de conférences) at Arts et Métiers ParisTech, Paris
October 1991- September 1994: Research Engineer at SERAM, Paris
September 1989-September 1991: Assistant at Arts et Métiers ParisTech, Paris

Recent papers

• A comparison study of the structural and mechanical properties of cubic, tetragonal, monoclinic, and three orthorhombic phases of ZrO2. Y. Zhang, H.-X. Chen, L. Duan, J.-B. Fan, L. Ni, V. Ji, Journal of Alloys and Compounds, 2018, 749, 283-292
• Cold rolling texture evolution of TiB2 particle reinforced Al-based composites by Neutron Diffraction and EBSD analysis. C.-Y. Dan, Z. Chen, M.-H. Mathon, G. Ji, L.-W. Li, Y. Wu, F. Brisset, L. Guo, H.-W. Wang, V. Ji, Materials Characterization, 2018, 136, 293-301
• Investigation on surface layer characteristics of shot peened graphene reinforced Al composite by X-ray diffraction method. K. Zhan, Y. Wu, J. Li, B. Zhao, Y. Yan, L. Xie, L. Wang, V. Ji, Applied Surface Science, 2018, 435, 1257-1264
• Hot corrosion behavior of TiO2 doped, Yb2O3 stabilized zirconia exposed to V2O5 + Na2SO4 molten salt at 700–1000°C. L. Guo, Z. Yan, J. Yu, C. Zhang, M. Li, F. Ye, V. Ji, Ceramics International, 2018, 44, 261-268
• Evaluation of the residual stress and microstructure character in SAF 2507 duplex stainless steel after multiple shot peening process. M. Chen, H. Liu, L. Wang, C. Wang, K. Zhu, Z. Xu, C. Jiang, V. Ji, Surface and Coatings Technology, 2018, 344, 132-140
• Effect of the shot peening on the deformation of Al alloy component. X. Zhang, K. Liao, V. Ji, H. Chen, L. Hu, Surface Engineering, 2017, 1-8
• The Roles of Ti Particles in Improving the Corrosion Resistance of Electrochemically Assembled Ni-Ti Composite Coatings. Y. Zhao, L. Wang, Z. Qin, C. Wang, Z. Xu, C. Jiang, V. Ji, CORROSION, 2017, 73, 1107-1118
• Structural, electronic, and magnetic properties of double perovskite Pb2FeReO6 thin films with (001) orientation and three possible terminations. Y. Zhang, L. Duan, V. Ji, Surface and Interface Analysis, 2017, 49, 960-966
• Optimisation of microstructure and corrosion resistance of Ni-Ti composite coatings by the addition of CeO2 nanoparticles. L. Wang, M. Chen, H. Liu, C. Jiang, V. Ji, F. Moreira, Surface and Coatings Technology, 2017, 331, 196-205
• Structure transformation of Ti films deposited on SiC single crystal substrates. L. Li, Y. Liu, X. Mao, L. Zeng, V. Ji, Materials Characterization, 2017, 134, 64-68
• Residual stress and microstructure evolution of shot peened Ni-Al bronze at elevated temperatures. C. Wang, C. Jiang, M. Chen, L. Wang, H. Liu, V. Ji, Materials Science and Engineering: A, 2017, 707, 629-635
• Hot corrosion behavior of Ba2REAlO5 (RE = Dy, Er, Yb) ceramics by vanadium pentoxide at 900–1000°C. C. Zhang, L. Guo, J. Yu, M. Li, F. Ye, V. Ji, Ceramics International, 2017, 43, 11944-11952
• Effects of TiO2 doping on the defect chemistry and thermo-physical properties of Yb2O3 stabilized ZrO2. L. Guo, C. Zhang, L. Xu, M. Li, Q. Wang, F. Ye, C. Dan, V. Ji, Journal of the European Ceramic Society, 2017, 37, 4163-4169
• Microstructure study of cold rolling nanosized in-situ TiB2 particle reinforced Al composites. C.-Y. Dan, Z. Chen, G. Ji, S.-H. Zhong, Y. Wu, F. Brisset, H.-W. Wang, V. Ji, Materials & Design, 2017, 130, 357-365
• Calcium-magnesium-alumina-silicate (CMAS) resistance property of BaLn2Ti3O10 (Ln=La, Nd) for thermal barrier coating applications. L. Guo, M. Li, C. Yang, C. Zhang, L. Xu, F. Ye, C. Dan, V. Ji, Ceramics International, 2017, Volume 43, Issue 13, Pages 10521–10527
• Hot corrosion behavior of (Gd0.9Sc0.1)2Zr2O7 in V2O5 molten salt at 700–1000 °C. C. Zhang, M. Li, Y. Zhang, L. Guo, J. Dong, F. Ye, L. Li, V. Ji, Ceramics International, 2017, Volume 43, Pages 9041–9046
• Surface mechanical property and residual stress of peened nickel-aluminum bronze determined by in-situ X-ray diffraction. C. Wang, C. Jiang, Y. Zhao, M. Chen, V. Ji, Applied Surface Science, 2017, Volume 420, Pages 28–33
• Surface layer characteristics of CNT/Al–Mg–Si alloy composites treated by stress peening. K. Zhu, C. Jiang, V. Ji, Surface and Coatings Technology, 2017, Volume 317, Pages 10–16
• Thermal stability of residual stresses and work hardening of shot peened tungsten cemented carbide. C. Wang, C. Jiang, V. Ji, Journal of Materials Processing Technology, 2017, 240, 98-103
• Estimation of microstructure and corrosion properties of peened nickel aluminum bronze. C. Wang, C. Jiang, Z. Chai, M. Chen, L. Wang, V. Ji, Surface and Coatings Technology, 2017, 313, 136-142
• Residual stress analysis on oxide layers obtained by high temperature oxidation of Chromia-forming alloys. N. Li, J. Xiao, N. Prud'Homme, L. Li, V. Ji, Materials Research Proceedings 2, 2016, pp 365-370
• EFFECT OF HEAT TREATMENT ON THE MICROSTRUCTURAL EVOLUTION IN WELD REGION OF 304L PIPELINE STEEL. Z. Boumerzoug, S. Hamza, V. Ji, Journal of Thermal Engineering, 2016, Vol. 2, No. 6, Special Issue 5,, pp. 1017-1022
• The half-metallic ferromagnetic characters of (001)-oriented thin films of the double perovskite Pb2FeMoO6. Y. Zhang, L. Duan, V. Ji, Thin Solid Films, 2016, 615, 318-323
• The detailed crystal and electronic structures of the cotunnite-type ZrO2. Y. Zhang, L. Duan, V. Ji, Solid State Communications, 2016, 239, 27–31
• Numerical analysis and experimental validation on residual stress distribution of titanium matrix composite after shot peening treatment. L. Xie, C. Wang, L. Wang, Z. Wang, C. Jiang, W. Lu, V. Ji, Mechanics of Materials, 2016, 99, 2–8
• The detailed crystal and electronic structures of the cotunnite-type ZrO2. Y. Zhang, L. Duan, V. Ji, Solid State Communications, 2016, 239, 27-31
• First-principles study of the structural, electronic, and magnetic properties of double perovskite Sr2FeReO6 containing various imperfections. Y. Zhang, L. Duan, V. Ji, K.-W. Xu, Chin. Phys. B, 2016, Vol. 25 Issue (5), 058102
• The structural, electronic, and magnetic properties of the stoichiometric (001) surface of double perovskite Sr2FeMoO6. Y. Zhang, V. Ji, K.-W. Xu, Surface and Interface Analysis, 2016, n/a-n/a
• Microstructure and residual stresses in Ti-6Al-4V alloy pulsed and unpulsed TIG welds. B. Mehdi, R. Badji, V. Ji, B. Allili, D. Bradai, F.-D. Beaume, F. Soulié, Journal of Materials Processing Technology, 2016
• Characterization on surface mechanical properties of Ti–6Al–4V after shot peening. L. Xie, Y. Wen, K. Zhan, L. Wang, C. Jiang, V. Ji, Journal of Alloys and Compounds, 2016, 666, 65-70
• Effect of humidity on high temperature oxidation of AISI 430 stainless steel. N. Li, J. Xiao, N. Prud’Homme, V. Ji, Materials Science Forum, 2015, Vol. 833, pp 165-168
• Structural, electronic and magnetic properties of the Si chains doped zigzag AlN nanoribbons. J.-M. Zhang, J. Zhang, K.-W. Xu, V. Ji, Physica E: Low-dimensional Systems and Nanostructures, 2015, 65, 114-119
• Finite element analysis of laser shock peening of 2050-T8 aluminum alloy. N. Hfaiedh, P. Peyre, H. Song, I. Popa, V. Ji, V. Vignal, International Journal of Fatigue, 2015, 70, 480-489
• Effects of Co contents on the microstructures and properties of electrodeposited NiCo–Al composite coatings. F. Cai, C. Jiang, P. Fu, V. Ji, Applied Surface Science, 2015, 324, 482-489
• Two stages for the evolution of crystallite size and texture of electrodeposited Ni–ZrC composite coating. Z. Zhang, C. Jiang, F. Cai, P. Fu, N. Ma, V. Ji, Surface and Coatings Technology, 2015, 261, 122-129
• Hydrogen adsorption and storage on palladium-decorated graphene with boron dopants and vacancy defects: A first-principles study. L. Ma, J.-M. Zhang, K.-W. Xu, V. Ji, Physica E: Low-dimensional Systems and Nanostructures, 2015, 66, 40-47
• Effects of vertical strain on zigzag graphene nanoribbon with a topological line defect. L.-H. Qu, J.-M. Zhang, K.-W. Xu, V. Ji, Physica E: Low-dimensional Systems and Nanostructures, 2015, 67, 116-120
• Effects of Co contents on the microstructures and properties of the electrodeposited NiCo–Zr composite coatings. F. Cai, C. Jiang, Y. Zhao, V. Ji, Materials Research Bulletin, 2015, 65, 195-203
• A first-principles study on uniaxial strain effects of nonplanar oxygen-functionalized armchair graphene nanoribbons. L.-H. Qu, J.-M. Zhang, K.-W. Xu, V. Ji, Journal of Alloys and Compounds, 2015, 631, 219-224
• Fabrication and characterization of Ni–Zr composite coatings using electrodepositing technique. F. Cai, C. Jiang, Z. Zhang, E. Muttini, P. Fu, Y. Zhao, V. Ji, Journal of Alloys and Compounds, 2015, 635, 73-81
• Characterization of the deformation texture after tensile test and cold rolling of a Ti-6Al-4V sheet alloy. B. Mehdi, H. Azzeddine, R. Badji, V. Ji, B. Alili, D. Bradai, IOP Conf. Series: Materials Science and Engineering, 2015, 82, 012018
• A first-principles study on gas sensing properties of graphene andPd-doped graphene. L. Ma, J.-M. Zhang, K.-W. Xu, V. Ji, Applied Surface Science, 2015, 343, 121–127
• Effects of the defects on the structural, electronic and magnetic properties of Sr2FeMoO6. Y. Zhang, V. Ji, K.-W. Xu, Journal of Alloys and Compounds, 2015, 648, 374-381
• Residual stress distribution and microstructure in the friction stir weld of 7075 aluminum alloy. P. Ji, Z. Yang, J. Zhang, L. Zheng, V. Ji, V. Klosek, J Mater Sci, 2015, 50, 7262–7270
• Quantitative study of particle size distribution in an in-situ grown Al–TiB2 composite by synchrotron X-ray diffraction and electron microscopy. Y. Tan, Z. Chen, A. Borbélyb, G. Ji, S.-Y. Zhong, D. Schryvers, V. Ji, H.-W. Wang, Materials Characterization, 2015, 102, 131–136
• Effects of the defects on the half-metallic characters and magnetic properties in double perovskite Pb2FeMoO6. Y. Zhang, K.-W. Xu, V. Ji, Materials Chemistry and Physics, 2015, 162, 711-723
• Study of ion diffusion in oxidation films grown on a model Fe–15%Cr alloy. A. C. S. Sabioni, J. N. V. Souza, V. Ji, F. Jomard, V. B. Trindade, J. F. Carneiro, Solid State Ionics, 2015, 276, 1–8
• Residual stress study in oxide scale obtained on high temperature oxidation of AISI 430 stainless steel. N. Li, J. Xiao, N. Prud’Homme, V. Ji, Advanced Materials Research, 2014, Vol. 996, pp 918-923
• Structural and electronic properties of copper nanowires inside zigzag carbon nanotubes. Y.-N. Duan, J.-M. Zhang, X.-M. Wei, X.-X. Fan, K.-W. Xu, V. Ji, Physica B: Condensed Matter, 2014, 447, 77-82
• Improving SO2 gas sensing properties of graphene by introducing dopant and defect: A first-principles study. X.-Y. Liu, J.-M. Zhang, K.-W. Xu, V. Ji, Applied Surface Science, 2014, 313, 405-410
• Synthesis and characterization of Ni–Al–Y2O3 composite coatings with different Y2O3 particle content. F. Cai, C. Jiang, Z. Zhang, V. Ji, Ceramics International, 2014, 40, 15105-15111
• Residual stress study in oxide scale obtained on high temperature oxidation of AISI 430 stainless steel. N. Li, J. Xiao, N. Prud'Homme, V. Ji, Advanced Materials Research, 2014, 966, 918-923
• Residual stresses in oxide scale formed on Fe–17Cr stainless steel. N. Li, J. Xiao, N. Prud'Homme, Z. Chen, V. Ji, Applied Surface Science, 2014, 316, 108-113
• X-Ray Analysis of Residual Stress in Weld Region of X70 Pipeline Steel. Z. Boumerzoug, K. Digheche, V. Ji, Advanced Materials Research, 2014, Vol. 936, 2011-2016
• Residual Stress and Microstructures Characterization in Welded Al-Si- 12Cu Alloy. Z. Boumerzoug, C. Bouremel, V. Ji, Advanced Materials Research, 2014, Vol. 856, 201-204
• Residual stress and micro-structure of GCr15 steel after multistep shot peening. P. Fu, C. Jiang, Z. Zhang, V. Ji, Surface Engineering, 2014, VOL 30 NO 11, 847-851
• Nitrogen and Boron substitutional doped zigzag silicene nanoribbons: Ab initio investigation. L. Ma, J.-M. Zhang, K.-W. Xu, V. Ji, Physica E, 2014, 60, 112–117
• Armchair graphene nanoribbos under shear strain. L.-H. Qu, J.-M. Zhang, K.-W. Xu, V. Ji, Physica E, 2014, 60, 156–159
• Magnetic properties and possible martensitic transformation in Mn2NiSi and Ni2MnSi Heusler alloys. Q.-L. Fang, J.-M. Zhang, X.-M. Zhao, K.-W. Xu, V. Ji, Journal ofMagnetismandMagneticMaterials, 2014, 362, 42–46
• The study of the P doped silicene nanoribbons with first-principles. J.-M. Zhang, W.-T. Song, K.-W. Xu, V. Ji, Computational Materials Science, 2014, 95, 429–434
• Effects of the 3d transition metal doping on the structural, electronic, and magnetic properties of BeO nanotubes. J.-M. Zhang, W.-T. Song, H.-H. Li, K.-W. Xu, V. Ji, Chin. Phys. B, 2014, Vol. 23, No. 1, 017103-01/06