journal article·2026-02Open access

Loading Mode Dependence of Twin‐Twin Boundary Formation in a Textured Magnesium Alloy

Yuzhi Zhu, Shiqiang Wang, Yi Chen, Guanyi Wang, Yinhu Zhao, Zidong Wang, Zhipeng Li, Dewen Hou

Advanced Materials Interfaces· Volume 13· Issue 4

Abstract

ABSTRACT Twin‐twin boundaries play vital roles in microstructure evolution and tailoring mechanical properties. In this work, the atomic structures of twin‐twin boundaries formed by interactions between tensile twin variants sharing the same or different zone axes in a deformed magnesium alloy are investigated. Strain accumulation induced by twin‐twin interactions causes the lattice distortion around the intersecting area, which promotes the formation of twin‐twin interfaces. The characteristics of twin‐twin boundaries significantly depend on the activation of twin variants involved in the interactions. The lattice distortion around the twin‐twin boundary region can contribute to the subdivision of coarse grains and suspension of twinning propagation, as well as the absorption of dislocations and nucleation of new grains in the subsequent thermomechanical process.
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Research context

OpenAlex topics: Magnesium Alloys: Properties and Applications · Microstructure and mechanical properties · Cellular and Composite Structures

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

School of Materials Science and Engineering University of Science and Technology Beijing Beijing China

Green Civil Aircraft Intelligent Design Center Tianmushan Laboratory Hangzhou Zhejiang China

Department of Wind Energy Technical University of Denmark Lyngby Denmark

Applied Materials Division Argonne National Laboratory Lemont Illinois USA

Inner Mongolia First Machinery Group Corp Baotou Mongolia

Department of Civil & Architectural Engineering University of Miami Coral Gable Florida USA

State Key Laboratory of Biochemical Engineering Institute of Process Engineering Chinese Academy of Sciences Beijing China

School of Chemical Engineering University of Chinese Academy of Sciences Beijing China

Funding

Natural Science Foundation of Beijing Municipality · Fundamental Research Funds for the Central Universities

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