Solidification of ternary melts with a two-phase layer

LV Toropova, AA Ivanov, SI Osipov… - Journal of Physics …, 2022 - iopscience.iop.org
This review is concerned with the nonstationary solidification of three-component systems in
the presence of two moving phase transition regions—the main (primary) and cotectic …

Morphological/dynamic instability of directional crystallization in a finite domain with intense convection

EV Makoveeva, IE Koroznikova, AE Glebova… - Crystals, 2023 - mdpi.com
This study is devoted to the morphological/dynamic instability analysis of directional
crystallization processes in finite domains with allowance for melt convection. At first, a linear …

Morphological stability analysis of a planar crystallization front with convection

EV Makoveeva, DV Alexandrov - The European Physical Journal Special …, 2023 - Springer
A linear theory of morphological stability of flat crystallization front is constructed with
allowance for convective motions in liquid. The cases of slow and intense convection …

Selected mode of dendritic growth with n-fold symmetry in the presence of a forced flow

DV Alexandrov, PK Galenko - Europhysics Letters, 2017 - iopscience.iop.org
The effect of n-fold crystal symmetry is investigated for a two-dimensional stable dendritic
growth in the presence of a forced convective flow. We consider dendritic growth in a one …

Directional Crystallization in the Presence of a Mushy Layer with Applications to the Earth's Inner Core Boundary

DV Alexandrov, IV Alexandrova, MA Nikishina… - Crystals, 2023 - mdpi.com
We formulate the mathematical model of directional crystallization of a binary melt with a
mushy layer (region) between purely solid and liquid phases. This model is complicated by …

The effect of convection on disorder in primary cellular and dendritic arrays

R Trivedi, P Mazumder, SN Tewari - Metallurgical and Materials …, 2002 - Springer
Directional solidification studies have been carried out to characterize the spatial disorder in
the arrays of cells and dendrites. Different factors that cause array disorder are investigated …

Phase selection during directional solidification of peritectic alloys

TA Lograsso, BC Fuh, R Trivedi - Metallurgical and Materials Transactions …, 2005 - Springer
Directional solidification studies have been conducted using Pb-Bi peritectic alloys over a
wide range of compositions, temperature gradients, and growth velocities to characterize the …

Effect of thermosolutal convection on microstructure formation in the Pb-Bi peritectic system

S Liu, R Trivedi - Metallurgical and Materials Transactions A, 2006 - Springer
Experimental studies have been conducted in the two-phase region of the Pb-Bi peritectic
system to investigate the effect of thermosolutal convection on the banded microstructure. A …

Novel pattern forming process due to the coupling of convection and phase change

P Mazumder, R Trivedi - Physical review letters, 2002 - APS
We present a novel mechanism of pattern formation behind a flat interface during directional
solidification of peritectic alloys. It is shown through computational modeling that irregular …

Observation of flow regimes and transitions during a columnar solidification experiment

M Stefan-Kharicha, A Kharicha, M Wu… - Fluid Dynamics …, 2014 - iopscience.iop.org
Experimental data for the validation of numerical models coupling solidification and
hydrodynamics are very rare. Many experiments made in the field of solidifications are …