[HTML][HTML] First-principles study on the segregation behavior of solute atoms at {101¯ 2} and {101¯ 1} twin boundaries of Mg

H Ju, H Ning, ZY Meng, C Wang, HY Wang - Journal of Materials Research …, 2023 - Elsevier
Twin boundaries (TBs) are effective sinks for solutes to segregate, as they may drive the
structural transformation and therefore tailor the properties of magnesium alloys. In this …

Exploring the influence of cosegregation on mechanical properties of Mg {101¯ 1} twin boundaries: A first-principles investigation

J Wang, H Han, Y Tian, X Pang, G Qin - Materials Today Communications, 2023 - Elsevier
This study employs first-principles calculations to investigate the impact of solute
segregation on the mechanical properties of the Mg twin boundary (TB). The investigation …

First-principles study of the solute segregation in twin boundaries in Mg and possible descriptors for mechanical properties

Z Pei, R Li, JF Nie, JR Morris - Materials & Design, 2019 - Elsevier
Twin boundaries play an important role in shaping the mechanical properties of Mg and Mg
alloys. In this study, we simulate the segregation energies (SEs) of 23 solutes in the profuse …

Segregation potency at {101¯ 2} and {101¯ 1} twin boundaries in Mg with Zn and Ca co-addition: A first-principles study

C Wang, H Ju, MX Li, J You, ZY Meng, M Zha… - Materialia, 2021 - Elsevier
The co-segregation behaviors of Zn and Ca at {10 1¯ 2} and {10 1¯ 1} twin boundaries (TBs)
were investigated by analyzing the segregation energy and strain field on atomic-scale …

Twin-boundary segregation energies and solute-diffusion activation enthalpies in Mg-based binary systems: a first-principles study

J Zhang, Y Dou, Y Zheng - Scripta Materialia, 2014 - Elsevier
The twin-boundary segregation energies of {10-12}< 10-1-1> tension twins and the solute-
diffusion activation enthalpies for various Mg-based binary systems were computed using …

Computational assessment of solute segregation at twin boundaries in magnesium: A two-factor model and solute effect on strengthening

H Chen, J Song - Journal of Applied Physics, 2022 - pubs.aip.org
This work presents a comprehensive first-principles density functional theory (DFT) study of
solute segregation at {10 1 1} and {10 1 2} twin boundaries (TBs) in Mg. A total of 56 solute …

Local atomic ordering strategy for high strength Mg alloy design by first-principle calculations

H Su, C Zhang, S Wang, G Tian, C Xue, J Wang… - Journal of Alloys and …, 2022 - Elsevier
In this study, solute X (X= Li, Al, Mn, Zn, Y, Zr, Nd, and Gd) solution strengthening in Mg
alloys have been screened by ab initio density functional theory calculations to quantify not …

[HTML][HTML] Solute Segregation and Pinning Effect on Lateral Twin Boundary in Magnesium

H Zhang, Q Zhang, H Sun, M Gong, J Wang, Y Liu - Metals, 2024 - mdpi.com
Deformation twinning creates a three-dimensional twin domain via the migration of forward,
normal and lateral twin boundaries (TBs) with respect to twin shear direction, normal to twin …

[HTML][HTML] First-principles study on the interfacial bonding strength and segregation at Mg/MgZn2 matrix interface

L Bao, P Du, S Xi, C Wang, K Zheng, R Shi… - Journal of Magnesium …, 2023 - Elsevier
To understand the interface characteristics between the precipitate β 2′ and the Mg matrix,
and thus guide the development of new Mg-Zn alloys, we investigated the atomic interface …

Atomic segregation at twin boundaries in a Mg-Ag alloy

XF Chen, LR Xiao, ZG Ding, W Liu, YT Zhu, XL Wu - Scripta Materialia, 2020 - Elsevier
Segregation of solute atoms at twin boundaries (TBs) plays a critical role in mechanical
properties and thermal stability of magnesium alloys. Here, segregation structures at {10 1¯ …