Tailoring the texture of magnesium alloy by twinning deformation to improve the rolling capability

• Published in: Scripta materialia Vol. 64; no. 10; pp. 986 - 989
• Main Authors: Xin, Yunchang, Wang, Maoyin, Zeng, Zhen, Huang, Guangjie, Liu, Qing
• Format: Journal Article
• Language: English
• Published: Elsevier Ltd 01-05-2011
• Subjects: Basal plane; Basal texture; Deformation; Inclination; Magnesium alloy; Magnesium base alloys; Rolling capability; Slip; Surface layer; Texture; Twinning; Rolling capability; Twinning; Basal texture; Magnesium alloy
• ISSN: 1359-6462; 1872-8456
• DOI: 10.1016/j.scriptamat.2011.02.010

► 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.