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Xin, Yunchang; Wang, Maoyin; Zeng, Zhen; Huang, Guangjie; Liu, Qing
Scripta materialia, 05/2011, Letnik: 64, Številka: 10Journal Article
► Pr-rolling along TD initiates (10–12) twins which incline basal plane by 86°. ► Inclination of basal plane can effectively improve rolling capability at 300 °C. ► Non-basal slip of 〈a〉 dislocation in pre-rolled sample can accommodate strain in ND. A method to weaken the strong basal texture of rolled magnesium alloy by twinning deformation is reported. Pre-rolling along the transverse direction at room temperature initiates extension twinning and reorients the basal plane. A dramatically increased maximum thickness reduction per pass during subsequent rolling at 300 °C is achieved in pre-deformed sample compared to that of the directly rolled one. The corresponding mechanisms are addressed and discussed.
