From classical thermodynamics to phase-field method
Phase-field method is a density-based computational method at the mesoscale for modeling
and predicting the temporal microstructure and property evolution during materials …
and predicting the temporal microstructure and property evolution during materials …
Phase-field modeling of polycrystalline solidification: from needle crystals to spherulites—a review
Advances in the orientation-field-based phase-field (PF) models made in the past are
reviewed. The models applied incorporate homogeneous and heterogeneous nucleation of …
reviewed. The models applied incorporate homogeneous and heterogeneous nucleation of …
Phase-field modeling of grain evolutions in additive manufacturing from nucleation, growth, to coarsening
A three-dimensional phase-field model is developed to simulate grain evolutions during
powder-bed-fusion (PBF) additive manufacturing, while the physically-informed temperature …
powder-bed-fusion (PBF) additive manufacturing, while the physically-informed temperature …
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 …
microstructures, often with long, columnar grains that grow epitaxially from existing grains. A …
An object-oriented finite element framework for multiphysics phase field simulations
The phase field approach is a powerful and popular method for modeling microstructure
evolution. In this work, advanced numerical tools are used to create a framework that …
evolution. In this work, advanced numerical tools are used to create a framework that …
Growth competition of columnar dendritic grains: A phase-field study
We report the results of an extensive phase-field study of the growth competition of columnar
dendritic grains in two dimensions. We investigate the influence of the temperature gradient …
dendritic grains in two dimensions. We investigate the influence of the temperature gradient …
A quantitative and thermodynamically consistent phase-field interpolation function for multi-phase systems
N Moelans - Acta Materialia, 2011 - Elsevier
The aimed properties of the interpolation functions used in quantitative phase-field models
for two-phase systems do not extend to multi-phase systems. Therefore, a new type of …
for two-phase systems do not extend to multi-phase systems. Therefore, a new type of …
3D non-isothermal phase-field simulation of microstructure evolution during selective laser sintering
During selective laser sintering (SLS), the microstructure evolution and local temperature
variation interact mutually. Application of conventional isothermal sintering model is thereby …
variation interact mutually. Application of conventional isothermal sintering model is thereby …
Physics-embedded graph network for accelerating phase-field simulation of microstructure evolution in additive manufacturing
The phase-field (PF) method is a physics-based computational approach for simulating
interfacial morphology. It has been used to model powder melting, rapid solidification, and …
interfacial morphology. It has been used to model powder melting, rapid solidification, and …
A thermodynamically consistent non-isothermal phase-field model for selective laser sintering
Selective laser sintering (SLS) additive manufacturing possesses the characteristics of
extremely non-uniform temperature distribution and high temperature gradient, which are …
extremely non-uniform temperature distribution and high temperature gradient, which are …