Researcher / Post doctorate
LEM3 - CNRS, university of lorraine
Total years of experience :8 years, 1 Months
1./ Study of the heterogeneity of plastic deformation in a STEEL IF:
- Production of the tensile test specimens from a steel sheet;
- Mechanical characterization (Traction on a micro-machine);
- Microstructural characterization: Metallography, SEM and EBSD (FEG-SEM SUPRA40);
- Development of a code for the calculation of plastic deformation at the grain scale (FORTRAN
F90);
- Confrontation of results: observations / Mechanical tests;
2./ Improving Mechanical Properties of cp Titanium by Heat Treatment Optimization:
- Realization of cold symmetrical rolling and selection of heat treatments;
- Machining of specimens / Development of different microstructures;
- Microstructural characterization (Metallography, SEM and EBSD);
Phd in Mechanics and Materials. LSPM, University Paris 13, Villetaneuse (93)
Title: Mechanical behaviour and microstructural evolution under quasi-static and dynamic
compression of polycrystals CFC and HC (Ni, Zn, Ti): effect of grain size';
1./ Study of the dynamic and quasi-static behaviour of Ti, Ni and Zn (Mechanical tests and
microstructural analysis):
- Bibliographic studies;
- Preparation and machining of specimens;
- Thermomechanical processing;
- Mechanical properties (quasi-static and dynamic traction, rolling);
- Microstructural analysis (Ti, Ni and Zn);
- Identification of physical mechanisms of plastic deformation;
- Drafting of reports, articles, participation in meetings (seminars);
2./ Modelling the effect of grain size and deformation by twining.
University Paris 13, Department of Science and Materials Engineering
University Institute of Technology of Saint Denis. Saint-Denis (93)
Discovery of materials (24h) and metallurgy (32h)
LSPM, University Paris 13, Villetaneuse (93)
Title: Micromechanical modelling of polycrystals with grain size heterogeneity
1./ Consideration of the effect of grain size on the mechanical behaviour of a polycrystal:
- Bibliographic study on ultrafine grain materials;
- Demonstration of the influence of grain size on the properties and mechanical behaviour of
polycrystals;
- Proposal of an improvement path for a better description of the microstructure and taking into
account the distribution of grain size within polycrystal;
- Implementation of a law of hardening to take account of the effect of the size of the grains;
- Identification of the parameters of the law of the mechanical behaviour of the material;
- Simulation of tensile tests and comparison with experimental data;
UNIMECA, Marseille (13)
Title: Experimental modelling of the propagation of fire smoke between two industrial premises
- Study Bibliography the spread of smoke in case of fire.
- Creation of an experimental model;
- Implementation of measurement and characterization techniques;
- Analysis of the temperature fields in the two premises (Thermocouple measurement);
- Measurement of the velocity fields of the smoke propagation by the PIV and LVD technique;
- Estimation of fire hazards;
- Drafting of the training report and presentation of the results
title : Mechanical behaviour and microstructural evolution under quasi-static and dynamic compression of polycrystals CFC and HC (Ni, Zn, Ti): effect of grain size
Pierre and Marie Curie University, Paris (75). France Finite element method (MATLAB, CASTEM and ABAQUS)
University of Paris 13, Villetaneuse (93). France Numerical Modeling; Multi-scale modeling; nonlinear mechanics; crystalline plasticity.
University of Paris 13, Villetaneuse (93). France Numerical analysis; Material mechanical behavior modeling.