The cross-transition of deformation twinning in magnesium. (1st January 2022)

• Record Type: Journal Article
• Authors: Yang, Nan; Liu, Bo-Yu; Liu, Fei; Shan, Zhi-Wei
• Is Part Of: Scripta materialia. Number 206(2022)
• Publication Date: 2022-01-01
• Subjects: Magnesium -- Twinning -- Interface migration -- Plastic deformation -- TEM; Materials -- Periodicals; Metallurgy -- Periodicals; Metalen; Legeringen; Materiaalkunde; Metals, metalworking and machinery industries; Metals; Electronic journals; 620.11
• DOI: 10.1016/j.scriptamat.2021.114231
• Languages: English
• ISSNs: 1359-6462

Abstract

Abstract: Deformation twinning operates via twinning dislocations gliding on a specific twinning plane and along a specific twinning direction. As a consequence, a twin variant is supposed to retain its identity and unable to transform into other variants. However, we demonstrated that for the { 10 1 ¯ 2 } deformation twinning in magnesium, one twin variant can transform towards its conjugated variant in response to the external applied loading via the participation of prismatic-basal interface migration. We term such transformation as cross-transition of deformation twinning, which is expected to broaden the understanding of twinning mechanism. Graphical abstract: Image, graphical abstract