Rapid solidification as non-ergodic phenomenon

PK Galenko, D Jou - Physics Reports, 2019 - Elsevier
Rapid solidification is a relevant physical phenomenon in material sciences, whose
theoretical analysis requires going beyond the limits of local equilibrium statistical physics …

The development of grain structure during additive manufacturing

AF Chadwick, PW Voorhees - Acta Materialia, 2021 - Elsevier
Additive manufacturing of structural alloys results in the formation of complex
microstructures, often with long, columnar grains that grow epitaxially from existing grains. A …

Atomistic-informed kinetic phase-field modeling of non-equilibrium crystal growth during rapid solidification

S Kavousi, V Ankudinov, PK Galenko, MA Zaeem - Acta Materialia, 2023 - Elsevier
A novel method based on molecular dynamics (MD) is developed to make the kinetic phase-
field (PF) model quantitative in predicting non-equilibrium crystal growth during rapid …

Phase field modeling of rapid resolidification of Al-Cu thin films

T Pinomaa, JM McKeown, JMK Wiezorek… - Journal of Crystal …, 2020 - Elsevier
A binary alloy multi-order parameter phase field model is used to study rapid solidification in
Al-Cu under conditions corresponding to recent dynamic transmission electron microscopy …

Traveling waves of the solidification and melting of cubic crystal lattices

V Ankudinov, KR Elder, PK Galenko - Physical Review E, 2020 - APS
Using the phase field crystal model (PFC model), an analysis of slow and fast dynamics of
solid-liquid interfaces in solidification and melting processes is presented. Dynamical …

Crystal growth kinetics in BaS semiconductor: Molecular dynamics simulation and theoretical calculations

L Separdar, JP Rino, ED Zanotto - Acta Materialia, 2024 - Elsevier
Understanding the liquid-solid phase transition mechanisms and dynamics is of boundless
scientific significance, and holds enormous technological relevance in designing mono or …

Atomistic simulation of the generation of vacancies in rapid crystallization of metals

M He, ET Karim, MV Shugaev, LV Zhigilei - Acta Materialia, 2021 - Elsevier
The generation of vacancies at a crystal-liquid interface propagating under conditions of
undercooling below the equilibrium melting temperature is investigated in molecular …

Two-temperature molecular dynamics simulations of crystal growth in a tungsten supercooled melt

J Grossi, V Pisarev - Journal of Physics: Condensed Matter, 2022 - iopscience.iop.org
In this work we use the two-temperature model (TTM) coupled to molecular dynamics (MD)
with sinks at the boundaries of the electronic subsystem to study crystal-growth rate in a …

Kinetics of rapid growth and melting of Al50Ni50 alloying crystals: phase field theory versus atomistic simulations revisited

RE Rozas, V Ankudinov… - Journal of Physics …, 2022 - iopscience.iop.org
A revised study of the growth and melting of crystals in congruently melting Al 50 Ni 50 alloy
is carried out by molecular dynamics (MDs) and phase field (PF) methods. An embedded …

Bell-shaped “dendrite velocity-undercooling” relationship with an abrupt drop of solidification kinetics in glass forming Cu-Zr (-Ni) melts

PK Galenko, R Wonneberger, S Koch… - Journal of Crystal …, 2020 - Elsevier
We analyze the crystal growth kinetics of rapidly solidifying glass-forming Cu 50 Zr 50 alloy
melts. Formulating a dendrite growth model we predict all features of crystallization kinetics …