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M. Cles-z-zirconiurn, . Titane, . Microstructure, É. Texture, and . Déformé, Croissance de grains, Polycristal, Cinétique RESUME L'objectif est d'identifier les mécanismes qui régissent l'évolution de la texture et de la microstructure du titane commercialernent pur (T40) et du zirconium (h702) et d'établir des relations entre les phénomènes survenant pendant la déformation, la recristallisation et la croissance de grains. Cette étude est basée sur la caractérisation expérirnentale en utilisant des outils de caractérisation: DRX, MEB-EBSD et MET. C'est une étude détaillée de caracténsation depuis l'état déformé jusqu'à la phase de croissance de grains. L'évolution des textures globales du titane et du zirconium sont similaires lors du laminage et du recuit