Design of experiments and, or, conceptual tools that are pertinent, innovative and original. These will allow the determination of the laws of real, intrinsic mechanical behaviour starting from: in situ coupling of synchrotron radiation-Raman spectroscopy-X-Ray tomography-traction trials, of differential scanning calorimetric analysis-Raman spectroscopy, or of dielectric spectroscopy-traction trials (traction Mini-machine under MEB/AFM/SAXS/WAXS)
From left to right :
- Set up of a mini tensile test machine used in situ with MEB/AFM/SAXS/WAXS
- Striction of an isotactic polypropylene strained in uniaxial tensile mode and anayzed by X-Ray tomography
- Raman spectrum of PP/EPR using polarizors parallel and perpendicular to the machine direction axis. Evaluation of the chain orientation at the molecular scale during a tensile test
From left to right :
- Silicon samples, clamps and high temperature oven used
- Fe-Mn-C, observation of slip dislocations and strong twinning
Examples of simulation and modelling of the diffraction peaks obtained
From left to right :
- Damage mechanisms observed in a composite with a polymer matrix reinforced by fibers
- Structure of NCF (Non crimp fabric), arrangement of fiber bundles in the composite
Solving the inverted problem of glass thermoforming, knowing the final form of the glass that craftsmen or industry hope to obtain
From left to right :
- Temperature and 3D displacement field Measurements at the top glass plate surface during the process in a mould used during glass thermoforming, thermo-mechanical coupling
-Taking into account precisely by modelisation surface and bulk radiative transfers taking place inside the mould: displacement fields
Determination of types of moulds and of the thermal history to impose on the glass
Development of full-field methods of displacement measurement