Understanding and design of metallic alloys guided by phase-field simulations

Y Zhao - npj Computational Materials, 2023 - nature.com
Phase-field method (PFM) has become a mainstream computational method for predicting
the evolution of nano and mesoscopic microstructures and properties during materials …

Coarse-grained modeling of crystals by the amplitude expansion of the phase-field crystal model: an overview

M Salvalaglio, KR Elder - Modelling and Simulation in Materials …, 2022 - iopscience.iop.org
Comprehensive investigations of crystalline systems often require methods bridging
atomistic and continuum scales. In this context, coarse-grained mesoscale approaches are …

Grain growth competition during melt pool solidification—Comparing phase-field and cellular automaton models

SM Elahi, R Tavakoli, I Romero, D Tourret - Computational Materials …, 2023 - Elsevier
A broad range of computational models have been proposed to predict microstructure
development during solidification processing but they have seldom been compared to each …

Freezing shrinkage dynamics and surface dendritic growth of floating refractory alloy droplets in outer space

H Wang, H Liao, L Hu, C Zheng, J Chang… - Advanced …, 2024 - Wiley Online Library
The freezing shrinkage and dendritic growth are of great importance for various alloys
solidified from high‐temperature liquids to solids since they dominate microstructure …

[HTML][HTML] Dislocation density in cellular rapid solidification using phase field modeling and crystal plasticity

M Lindroos, T Pinomaa, K Ammar, A Laukkanen… - International Journal of …, 2022 - Elsevier
A coupled phase field and crystal plasticity model is established to analyze formation of
dislocation structures and residual stresses during rapid solidification of additively …

Influence of energy density on the microstructure, growth orientation, and anisotropy of magnetic properties in additively manufactured Fe-3.8 wt% Si transformer …

SM Varahabhatla, MSKKY Nartu, SA Mantri… - Materialia, 2023 - Elsevier
Abstract Fe-3.8 wt% Si transformer steels were processed using two different additive
manufacturing (AM) techniques, laser powder bed fusion (LPBF) and directed energy …

Multiscale computational modeling techniques in study and design of 2D materials: recent advances, challenges, and opportunities

MA Zaeem, S Thomas, S Kavousi, N Zhang… - 2D …, 2024 - iopscience.iop.org
This article provides an overview of recent advances, challenges, and opportunities in
multiscale computational modeling techniques for study and design of two-dimensional (2D) …

Development of crystallographic misorientation in laser powder bed fusion 316L stainless steel

P Biswas, J Ma - Additive Manufacturing, 2024 - Elsevier
This study examines the development of crystallographic misorientation and its relations to
the solidification microstructure in Laser Powder Bed Fusion (LPBF) alloys. We performed a …

Multiscale analysis of crystalline defect formation in rapid solidification of pure aluminium and aluminium–copper alloys

T Pinomaa, M Lindroos, P Jreidini… - … of the Royal …, 2022 - royalsocietypublishing.org
Rapid solidification leads to unique microstructural features, where a less studied topic is the
formation of various crystalline defects, including high dislocation densities, as well as …

Amplitude expansion of the phase-field crystal model for complex crystal structures

M De Donno, L Benoit–Maréchal, M Salvalaglio - Physical Review Materials, 2023 - APS
The phase-field crystal (PFC) model describes crystal lattices at diffusive timescales. Its
amplitude expansion (APFC) can be applied to the investigation of relatively large systems …