1. FEMTO-ST Laboratory, Dept. of Energy, University of Bourgogne Franche-Comte, Belfort, France
2. Dept of CIM (Engineering Material Center), SNCF, Le Mans, France
3. POLIMI, Dept. of Mechanical Engineering, Politecnico di Milano, Milano, Italy
4. Dept. of I & P (Engineering & Projects), SNCF, St-Denis, France