Predicting phase behavior of grain boundaries with evolutionary search and machine learning
The study of grain boundary phase transitions is an emerging field until recently dominated
by experiments. The major bottleneck in the exploration of this phenomenon with atomistic …
by experiments. The major bottleneck in the exploration of this phenomenon with atomistic …
The vibrational entropy spectra of grain boundary segregation in polycrystals
The vibrational contributions to the energetics of grain boundary segregation are calculated
for binary Ni polycrystals with solutes of Pd, Pt, Ag, Au and Cu. The computational challenge …
for binary Ni polycrystals with solutes of Pd, Pt, Ag, Au and Cu. The computational challenge …
Uncovering the effects of interface-induced ordering of liquid on crystal growth using machine learning
R Freitas, EJ Reed - Nature communications, 2020 - nature.com
The process of crystallization is often understood in terms of the fundamental microstructural
elements of the crystallite being formed, such as surface orientation or the presence of …
elements of the crystallite being formed, such as surface orientation or the presence of …
A joint diffusion/collision model for crystal growth in pure liquid metals
H Men - Nature Communications, 2024 - nature.com
The kinetics of atomic attachments at the liquid/solid interface is one of the foundations of
solidification theory, and to date one of the long-standing questions remains: whether or not …
solidification theory, and to date one of the long-standing questions remains: whether or not …
Data-centric framework for crystal structure identification in atomistic simulations using machine learning
Atomic-level modeling performed at large scales enables the investigation of mesoscale
materials properties with atom-by-atom resolution. The spatial complexity of such cross …
materials properties with atom-by-atom resolution. The spatial complexity of such cross …
Free energy of grain boundary phases: Atomistic calculations for grain boundary in Cu
Atomistic simulations are employed to demonstrate the existence of a well-defined
thermodynamic phase transformation between grain boundary (GB) phases with different …
thermodynamic phase transformation between grain boundary (GB) phases with different …
Dislocation content of grain boundary phase junctions and its relation to grain boundary excess properties
We analyze the dislocation content of grain boundary (GB) phase junctions, ie, line defects
separating two different GB phases coexisting on the same GB plane. While regular GB …
separating two different GB phases coexisting on the same GB plane. While regular GB …
Size effect on melting temperatures of alumina nanocrystals: Molecular dynamics simulations and thermodynamic modeling
Molecular dynamics (MD) simulations and thermodynamic analysis are conducted to
investigate size effect on melting point of alumina nanocrystals. Different geometries …
investigate size effect on melting point of alumina nanocrystals. Different geometries …
Misfit strain induced phase transformation at a basal/prismatic twin boundary in deformation of magnesium
Phase transformation from hexagonal close-packed (HCP) to face-centered cubic (FCC)
does not occur in plastic deformation of pure magnesium. In this work, a reversible HCP→ …
does not occur in plastic deformation of pure magnesium. In this work, a reversible HCP→ …
In-plane characterization of structural and thermodynamic properties for steps at faceted chemically heterogeneous solid/liquid interfaces
We present a methodology for studying steps at faceted chemically heterogeneous
solid/liquid interfaces, based on equilibrium molecular-dynamics simulations. The …
solid/liquid interfaces, based on equilibrium molecular-dynamics simulations. The …