CARACTERIZACION DE MATERIALES ENSAYOS NO DESTRUCTIVOS 3 INTERFEROMETRIA 3 INTERFEROMETRY 3 LASER ULTRASONICS 3 MATERIALS CHARACTERIZATION 3 NONDESTRUCTIVE TESTING 3 NUMERICAL SIMULATION 3 SIMULACION NUMERICA 3 ULTRASONIDO LASER 3 BUMABLE POISONS 1 DIFFUSION 1 DIFUSION 1 ERBIO 1 ERBIUM 1 Estudio de la movilidad de venenos quemables en el sistema Zr-Nb-Er-U 1 HEAT TREATMENTS 1 LIBS 1 LWR TYPE REACTORS 1 MATERIAL CHARACTERIZATION 1 MATERIALES 1 NIOBIO 1 NIOBIUM 1 POWER REACTORS 1 REACTORES DE POTENCIA 1 REACTORES TIPO LWR 1 SISTEMAS DE ALEACIONES TERNARIAS 1 Study of the mobility of burnable poisons in the Zr-Nb-Er-U system 1 TERNARY ALLOY SYSTEMS 1 TRATAMIENTOS TERMICOS 1