Research topics: - Formation of solidification microstructures: columnar dendritic growth, equiaxed growth, columnar to equiaxed transition - Influence of gravity on solidification process (convection, mechanical effects, sedimentation) - Influence of a magnetic field upon the solidification of metallic alloys Strengths of research activities: - In situ characterisation by synchrotron X-ray imaging (Radiography, Topography, Tomography) - In situ characterisation by X-ray radiography (laboratory apparatus) - Experiments in microgravity (International Space station, sounding rocket, parabolic flights)