Phase-field modeling of microstructure evolution: Recent applications, perspectives and challenges
We briefly review the state-of-the-art in phase-field modeling of microstructure evolution. The
focus is placed on recent applications of phase-field simulations of solid-state microstructure …
focus is placed on recent applications of phase-field simulations of solid-state microstructure …
Grain growth competition during melt pool solidification—Comparing phase-field and cellular automaton models
A broad range of computational models have been proposed to predict microstructure
development during solidification processing but they have seldom been compared to each …
development during solidification processing but they have seldom been compared to each …
In situ observation of solidification patterns in diffusive conditions
S Akamatsu, H Nguyen-Thi - Acta Materialia, 2016 - Elsevier
We present a review of recent in situ experimentation studies of solidification front patterns
and microstructures in alloys. Front-tracking diagnostics and real-time observation methods …
and microstructures in alloys. Front-tracking diagnostics and real-time observation methods …
Study on the dendritic growth and grain boundary formation in the suddenly expanded cross-section of single crystal superalloy during directional solidification …
C Zhang, Y Zhou, C Shi, H Zhou, C Shen, H Yu… - Journal of Manufacturing …, 2024 - Elsevier
The dendritic growth behavior at the suddenly expanded cross-section of single crystal
blades dramatically affects the defects formation. In this work, the dendrite growth …
blades dramatically affects the defects formation. In this work, the dendrite growth …
Influence of macroscopic interface curvature on dendritic patterns during directional solidification of bulk samples: experimental and phase-field studies
The envelope of the solidification front naturally develops a macroscopic curvature in a
multitude of solidification processes. However, its effect on dendritic microstructure formation …
multitude of solidification processes. However, its effect on dendritic microstructure formation …
Cell invasion during competitive growth of polycrystalline solidification patterns
Spatially extended cellular and dendritic array structures forming during solidification
processes such as casting, welding, or additive manufacturing are generally polycrystalline …
processes such as casting, welding, or additive manufacturing are generally polycrystalline …
Impact of gravity on directional solidification of refined Al-20wt.% Cu alloy investigated by in situ X-radiography
H Soltani, F Ngomesse, G Reinhart… - Journal of Alloys and …, 2021 - Elsevier
Gravity effects such as natural convection in the liquid phase and buoyancy forces acting on
the solid phase have a strong influence on the grain structure and microstructure formation …
the solid phase have a strong influence on the grain structure and microstructure formation …
On the nature of hexagonality within the solidification structure of single crystal alloys: Mechanisms and applications
J Strickland, B Nenchev, S Perry, K Tassenberg, S Gill… - Acta Materialia, 2020 - Elsevier
Primary spacing is a key phenomenon during solidification of single crystal alloys. It
determines microsegregation, defect formation, the time required to solutionise the solidified …
determines microsegregation, defect formation, the time required to solutionise the solidified …
Oscillatory cellular patterns in three-dimensional directional solidification
We present a phase-field study of oscillatory breathing modes observed during the
solidification of three-dimensional cellular arrays in microgravity. Directional solidification …
solidification of three-dimensional cellular arrays in microgravity. Directional solidification …
Thermal-field effects on interface dynamics and microstructure selection during alloy directional solidification
We carry out three-dimensional phase-field simulations to model unique experimental
observations of cellular and dendritic solidification structures formed under diffusive growth …
observations of cellular and dendritic solidification structures formed under diffusive growth …