Emerging metallic systems for additive manufacturing: In-situ alloying and multi-metal processing in laser powder bed fusion

SL Sing, S Huang, GD Goh, GL Goh, CF Tey… - Progress in Materials …, 2021 - Elsevier
While significant progress has been made in understanding laser powder bed fusion (L-
PBF) as well as the fabrication of various materials using this technology, there is still limited …

Simulation of melt pool behaviour during additive manufacturing: Underlying physics and progress

PS Cook, AB Murphy - Additive Manufacturing, 2020 - Elsevier
Reliable computational models of metal additive manufacturing will assist in optimising part
quality, and are likely to play a role in component qualification. A key component of these …

Machine learning for metal additive manufacturing: predicting temperature and melt pool fluid dynamics using physics-informed neural networks

Q Zhu, Z Liu, J Yan - Computational Mechanics, 2021 - Springer
The recent explosion of machine learning (ML) and artificial intelligence (AI) shows great
potential in the breakthrough of metal additive manufacturing (AM) process modeling, which …

Mechanism of keyhole pore formation in metal additive manufacturing

L Wang, Y Zhang, HY Chia, W Yan - npj Computational Materials, 2022 - nature.com
During metal additive manufacturing, the porosity of the as-built part deteriorates the
mechanical property and even hinders the further application of metal additive …

Pore elimination mechanisms during 3D printing of metals

SMH Hojjatzadeh, ND Parab, W Yan, Q Guo… - Nature …, 2019 - nature.com
Laser powder bed fusion (LPBF) is a 3D printing technology that can print metal parts with
complex geometries without the design constraints of traditional manufacturing routes …

Powder-spreading mechanisms in powder-bed-based additive manufacturing: Experiments and computational modeling

H Chen, Q Wei, Y Zhang, F Chen, Y Shi, W Yan - Acta Materialia, 2019 - Elsevier
The packing density of the powder layer plays a key role in the final quality of the parts
fabricated via powder-bed-based (PBB) additive manufacturing. This paper presents a …

Enhanced plasticity due to melt pool flow induced uniform dispersion of reinforcing particles in additively manufactured metallic composites

G Wang, Y Zhang, B Zou, Y Liu, S Zheng, X Li… - International Journal of …, 2023 - Elsevier
Additive manufacturing has gained increasing interest to fabricate metal matrix composites.
Particle agglomeration remains a critical challenge and can severely compromise the …

Multi-physics modeling of single/multiple-track defect mechanisms in electron beam selective melting

W Yan, W Ge, Y Qian, S Lin, B Zhou, WK Liu, F Lin… - Acta Materialia, 2017 - Elsevier
Metallic powder bed-based additive manufacturing technologies have many promising
attributes. The single track acts as one fundamental building unit, which largely influences …

Comprehensive studies of SS316L/IN718 functionally gradient material fabricated with directed energy deposition: Multi-physics & multi-materials modelling and …

W Li, MN Kishore, R Zhang, N Bian, H Lu, Y Li… - Additive …, 2023 - Elsevier
Abstract Metallic Functionally gradient materials (FGMs) are featured by gradually
distributed metallic compositions generating unique mechanical and physical property …

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 …