Solidification in metal additive manufacturing: challenges, solutions, and opportunities

S Chandra, J Radhakrishnan, S Huang, S Wei… - Progress in materials …, 2024 - Elsevier
The physics of alloy solidification during additive manufacturing (AM) in methods such as
laser powder bed fusion (LPBF), electron beam powder bed fusion (EPBF), and laser …

In-situ experimental and high-fidelity modelling tools to advance understanding of metal additive manufacturing

L Wang, Q Guo, L Chen, W Yan - International Journal of Machine Tools …, 2023 - Elsevier
Metal additive manufacturing has seen extensive research and rapidly growing applications
for its high precision, efficiency, flexibility, etc. However, the appealing advantages are still …

A thermo-mechanical phase-field fracture model: Application to hot cracking simulations in additive manufacturing

H Ruan, S Rezaei, Y Yang, D Gross, BX Xu - Journal of the Mechanics and …, 2023 - Elsevier
Thermal fracture is prevalent in many engineering problems and is one of the most
devastating defects in metal additive manufacturing. Due to the interactive underlying …

Morphological stability of solid-liquid interfaces under additive manufacturing conditions

D Tourret, J Klemm-Toole, AE Castellanos, B Rodgers… - Acta Materialia, 2023 - Elsevier
Understanding rapid solidification behavior at velocities relevant to additive manufacturing
(AM) is critical to controlling microstructure selection. Although in-situ visualization of …

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 …

Development and validation of a material evaporation assisted thermal model for time-efficient calculation of thermal and solidification parameters during laser powder …

AK Mishra, A Kumar - Additive Manufacturing, 2023 - Elsevier
The computational models used to study the laser powder bed fusion (LPBF) process
incorporate numerous physics that make the model heavy and time consuming, rendering …

A framework for predicting residual mechanical response fields for laser powder bed fusion at the polycrystalline length scale

L Kuna, AJ Birnbaum, K Teferra - Additive Manufacturing, 2023 - Elsevier
A framework is developed to directly model the effect of processing parameters utilized
during laser powder bed fusion additive manufacturing (LPBF AM) on material …

[HTML][HTML] Geometrical and crystal plasticity modelling: Towards the establishment of a process-structure-property relationship for additively manufactured 316L struts

M Kavousi, P McGarry, P McHugh, S Leen - European Journal of …, 2023 - Elsevier
This paper presents a methodology to establish a process structure property (PSP)
relationship for the additive manufacturing (AM) of thin AISI 316L struts, as might be used in …

[HTML][HTML] Integrated modelling and simulation of NiTi alloy by powder bed fusion: single track study

LX Lu, H Jiang, Q Bian, W Shao, L Li, YW Zhang… - Materials & Design, 2023 - Elsevier
In-depth understanding of the layer-by-layer process is critical for the quality control of
additive manufactured (AM) components. Besides the development of experimental …

Grain growth competition and formation of grain boundaries during solidification of hcp alloys

AK Boukellal, M Sarebanzadeh, A Orozco-Caballero… - Acta Materialia, 2024 - Elsevier
Grain growth competition during directional solidification of a polycrystal with hexagonal
(hcp) symmetry (Mg-1wt% Gd alloy) is studied by phase-field modeling, exploring the effect …