The Physics and Micromechanics of Heterogeneous Materials group takes over the study of the behaviour of materials by the combination of characterization techniques as microscopy, X-ray diffraction and synchrotron light, mechanical tests and numerical modelling at the mesoscopic and microscopic scale. It is intended to establish relations between the mechanical behaviour (anisotropy, formability, flow stress curves) and the microstructure (orientations distribution, morphology, dislocations structure, stored energy, fragmentation) that the material exhibits and develops due to its forming process. This is achieved by both an experimental study and a multiscale modelling based on crystalline plasticity.