[HTML][HTML] Mechanism of thermally-activated prismatic slip in Mg

X Liu, WA Curtin - Acta Materialia, 2024 - Elsevier
Prismatic slip of the screw< a> dislocation in magnesium at temperatures≳ 150 K is
understood to be governed by double-cross-slip of the stable basal screw through the …

Mechanism of strain hardening of magnesium single-crystals: Discrete dislocation dynamics simulations

M Li, X Tian, W Jiang, Q Wang, H Fan - … of the Mechanics and Physics of …, 2023 - Elsevier
Poor ductility heavily limits the industrial application of magnesium (Mg) alloys, and
pyramidal dislocations are an important deformation mode for ductility enhancement. In this …

[HTML][HTML] A low-temperature prismatic slip instability in Mg understood using machine learning potentials

X Liu, MR Niazi, T Liu, B Yin, WA Curtin - Acta Materialia, 2023 - Elsevier
Prismatic slip in magnesium at temperatures T≲ 150 K occurs at∼ 100 MPa independent of
temperature, and jerky flow due to large prismatic dislocation glide distances is observed; …

A new mechanism for nucleation of {112¯ 2}< 112¯ 3¯> twinning via interaction of {112¯ 1}< 112¯ 6¯> twin variants in hexagonal close-packed metals

Y Wang, B Li, Y Liao - Acta Materialia, 2025 - Elsevier
Twin nucleation in high symmetry cubic structures is closely related to the activities of
dissociated lattice dislocations. However, in low symmetry hexagonal close-packed (HCP) …

Energetics and stability of screw dislocations in magnesium: A first-principles study

T Liu, B Yin - Acta Materialia, 2024 - Elsevier
Magnesium (Mg), as the lightest structural metal, suffers from poor ductility and formability.
Although in literature, the cross-slips in Mg have been identified as the key factors that are …

Faceting and Twin–Twin Interactions in {11 2 1} and {11 2 2} Twins in Titanium

C Barrett, J Martinez, M Nitol - Metals, 2022 - mdpi.com
Twin–twin interactions are an important component of the microstructural evolution of
hexagonal close-packed metals undergoing plasticity. These interactions are prevalent …

[HTML][HTML] A machine learning potential for simulation the dislocation behavior of magnesium

J Kan, Z Ding, X Chen, H Hou, Y Zhao, W Liu - Journal of Magnesium and …, 2024 - Elsevier
Accurate predictions of the dislocation behavior of magnesium (Mg) by molecular dynamics
(MD) simulations are essential for studying the fundamental mechanisms of deformation and …

[HTML][HTML] Migration mechanism of sessile like< c+ a> pyramidal edge-dislocations dissociated along the basal plane of magnesium

R Matsumoto, ST Oyinbo, D Matsunaka - Scripta Materialia, 2024 - Elsevier
The pyramidal II< c+ a> edge-dislocation in Mg causes a transformation into the basal-
dissociated< c+ a> dislocation, in which two partial< c+ a> dislocations aligned along the …

The role of crystal orientation in cracking performance of HCP magnesium single crystals

X Lai, S Ran, X Pei, H Zhang, F Wang - Mechanics of Materials, 2024 - Elsevier
This work was committed to conducting atomistic simulations for exploring the crystal
orientation dependence of fracture behavior in hexagonal close-packed (HCP) magnesium …

Development of 2NN MEAM potential for Fe–Al and atomistic investigation of surface and interface properties of the inhibition layer in galvanized Fe

K Chen, S Mun, M Baskes… - … and Simulation in …, 2022 - iopscience.iop.org
Hot-dip Zn coating or galvanizing is an important process for high strength steels that are
extensively used in automotive industries. During galvanizing, Fe in the steel substrate …