Design and tailoring of alloys for additive manufacturing
Additive manufacturing (AM) promises a major transformation for manufacturing of metallic
components for aerospace, medical, nuclear, and energy applications. This perspective …
components for aerospace, medical, nuclear, and energy applications. This perspective …
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 …
Microstructural pattern formation during far-from-equilibrium alloy solidification
We introduce a new phase-field formulation of rapid alloy solidification that quantitatively
incorporates nonequilibrium effects at the solid-liquid interface over a very wide range of …
incorporates nonequilibrium effects at the solid-liquid interface over a very wide range of …
Quantitative phase-field modeling of solute trapping in rapid solidification
A quantitative phase-field model is developed for prediction of solute trapping for
solidification velocities relevant to the additive manufacturing. An anti-trapping flux is …
solidification velocities relevant to the additive manufacturing. An anti-trapping flux is …
[HTML][HTML] Dislocation density in cellular rapid solidification using phase field modeling and crystal plasticity
A coupled phase field and crystal plasticity model is established to analyze formation of
dislocation structures and residual stresses during rapid solidification of additively …
dislocation structures and residual stresses during rapid solidification of additively …
Characterizing the microstructural effect of build direction during solidification of laser-powder bed fusion of Al-Si alloys in the dilute limit: a phase-field study
Additive manufacturing experiments using the laser powder bed fusion (LPBF) method
reveal that changing the build direction can stimulate morphological transitions in the …
reveal that changing the build direction can stimulate morphological transitions in the …
The thermodynamics of non-equilibrium interfaces during phase transformations in concentrated multicomponent alloys
A unified thermodynamic description of moving non-equilibrium interfaces is developed for
both solid/solid and solid/liquid transformations. The theory is applicable to concentrated …
both solid/solid and solid/liquid transformations. The theory is applicable to concentrated …
GrainNN: A neighbor-aware long short-term memory network for predicting microstructure evolution during polycrystalline grain formation
High fidelity simulations of grain formation in alloys are an indispensable tool for process-to-
mechanical-properties characterization. Such simulations, however, can be computationally …
mechanical-properties characterization. Such simulations, however, can be computationally …
Development of a rapid solidification model for additive manufacturing process and application to Al-Si alloy
Accurate prediction of the solidification microstructure produced by additive manufacturing
(AM) process is indispensable for the precise manufacturing process control. In the present …
(AM) process is indispensable for the precise manufacturing process control. In the present …
Solute trapping in rapid solidification
Rapid solidification gives rise to solute trapping, which decreases solute partitioning and
alters equilibrium solidification velocity-undercooling relationships. These effects influence …
alters equilibrium solidification velocity-undercooling relationships. These effects influence …