The evolution of local stress during deformation twinning in a Mg-Gd-Y-Zn alloy

Y Jia, S Jiang, J Tan, Z Lu, J Jiang, X Wang - Acta Materialia, 2022 - Elsevier
In this study, we perform in-situ tensile testing and high-resolution electron backscatter
diffraction (HR-EBSD) to monitor the twin local stresses at different stages:(i) before …

A non-local crystal plasticity constitutive model for hexagonal close-packed polycrystals

O Sedaghat, H Abdolvand - International Journal of Plasticity, 2021 - Elsevier
A strain gradient crystal plasticity finite element model is developed to study the evolution of
internal and localized elastic strains in hexagonal close-packed polycrystals. The results of …

[HTML][HTML] Assessment of residual stress fields at deformation twin tips and the surrounding environments

H Abdolvand, AJ Wilkinson - Acta Materialia, 2016 - Elsevier
Stress fields close to twin tips and the associated local neighbourhoods of a hexagonal
close-packed (HCP) polycrystal were studied in detail. For this purpose, a coarse grain …

Study of 3-D stress development in parent and twin pairs of a hexagonal close-packed polycrystal: Part I–in-situ three-dimensional synchrotron X-ray diffraction …

H Abdolvand, M Majkut, J Oddershede, JP Wright… - Acta Materialia, 2015 - Elsevier
High anisotropy in the elastic and plastic properties of hexagonal close-packed (hcp)
structured metals not only results in drastic stress variation across grain boundaries, but also …

Atomic-scale observation and characterization of deformation twins in uniaxial tensile-deformed 120Mn13 steel

Z Ding, L Dong, N Fu, J Sun, Y Bao - International Journal of Plasticity, 2024 - Elsevier
High-resolution transmission electron microscope was used to observe and characterize the
different formation stages of zero-strain twins in uniaxial tensile-deformed 120Mn13 steel at …

Fatigue crack growth in two TWIP steels with different stacking fault energies

HK Yang, V Doquet, ZF Zhang - International Journal of Fatigue, 2017 - Elsevier
Fatigue crack growth tests with R= 0 and 0.4 were carried out on Fe-22Mn-0.6 C and Fe-
22Mn-0.6 C-3Al (wt.%) Twinning-Induced Plasticity (TWIP) steels with stacking fault energies …

Study on the Twinning/De-twining Behavior of Different Types of Twin–Twin Interaction via Experiments and Molecular Dynamics Simulation

G **, J Zhang, Y Luo, J Chen, H Chen - Metals and Materials International, 2023 - Springer
Twin–twin interaction plays an important role in tailoring the mechanical properties of
magnesium (Mg) alloys. In this study, we studied the effect of different types of twin–twin …

[PDF][PDF] Features of structural changes in mosaic Ge: Sb according to X-ray diffractometry and electron backscatter diffraction data

MD Borcha, MS Solodkyi, SV Balovsyak… - Semiconductor Physics …, 2019 - x-ray.net.ua
The structural homogeneity and degree of perfection inherent to mosaic Ge: Sb samples
were investigated. The modified methods for analyzing diffraction images of backscattered …

A continuum theory of twinning-transformation toughening

L Ma, AM Korsunsky, DA Hills - Proceedings A, 2025 - royalsocietypublishing.org
In this article, the twinning-induced toughening problem is addressed in the framework of
plane strain. The fundamental solution for a pointwise twinning eigenstrain located in an …

Formed kink band and long-period stacking structure relaxed stress induced by {10–12} twin in deformed magnesium alloy

W **, W Sun, G Da Han - Materials Characterization, 2015 - Elsevier
Deformation twinning induces stress in alloy matrixes, but stress relaxation modes have not
been identified in the microstructure of hexagonal-close-packed alloys. We investigated this …