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 …

[HTML][HTML] On the current research progress of metallic materials fabricated by laser powder bed fusion process: a review

W Abd-Elaziem, S Elkatatny, AE Abd-Elaziem… - Journal of Materials …, 2022 - Elsevier
Laser powder bed fusion (LPBF) is the most common metal additive manufacturing
technique. Following pre-programmed designs, it employs a high-power density laser …

[HTML][HTML] Holistic computational design within additive manufacturing through topology optimization combined with multiphysics multi-scale materials and process …

M Bayat, O Zinovieva, F Ferrari, C Ayas… - Progress in Materials …, 2023 - Elsevier
Additive manufacturing (AM) processes have proven to be a perfect match for topology
optimization (TO), as they are able to realize sophisticated geometries in a unique layer-by …

Topology optimization for metal additive manufacturing: current trends, challenges, and future outlook

O Ibhadode, Z Zhang, J Sixt, KM Nsiempba… - Virtual and Physical …, 2023 - Taylor & Francis
Metal additive manufacturing is gaining immense research attention. Some of these
research efforts are associated with physics, statistical, or artificial intelligence-driven …

Multiphysics multi-scale computational framework for linking process–structure–property relationships in metal additive manufacturing: a critical review

S Sharma, SS Joshi, MV Pantawane… - International …, 2023 - journals.sagepub.com
This review article provides a critical assessment of the progress made in computational
modelling of metal-based additive manufacturing (AM) with emphasis on its ability to predict …

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 …

A semi-analytical approach for analysis of thermal behaviors coupling heat loss in powder bed fusion

ZJ Li, HL Dai, J Xu, ZW Huang - International Journal of Heat and Mass …, 2023 - Elsevier
The build-up of the heat losses induced by a high-temperature gradient during laser additive
manufacturing process has a significant effect on the thermal behaviors and the formation of …

ExaCA: A performance portable exascale cellular automata application for alloy solidification modeling

M Rolchigo, ST Reeve, B Stump, GL Knapp… - Computational Materials …, 2022 - Elsevier
Modeling the as-solidified grain structures that form during alloy processing is a critical
component in understanding process-property relationships, particularly for additive …

Thermal history and high-speed optical imaging of overhang structures during laser powder bed fusion: A computational and experimental analysis

A Ashby, G Guss, RK Ganeriwala, AA Martin… - Additive …, 2022 - Elsevier
Laser powder bed fusion (LPBF) is a powerful tool for additive manufacturing (AM) of metal
components. However, fabricating components with overhanging features using LPBF …

Uncovering grain and subgrain microstructure at the scale of additive manufacturing melt tracks with a scalable cellular automaton solidification model

L Yuan, JL Fattebert, C Sun, AS Sabau - Additive Manufacturing, 2024 - Elsevier
Metal additive manufacturing, characterized by rapid solidification, yields refined grains with
a distinctive cellular subgrain microstructure that plays a pivotal role in determining material …