Particle scale modelling of powder recoating and melt pool dynamics in laser powder bed fusion additive manufacturing: a review

E Li, Z Zhou, L Wang, R Zou, A Yu - Powder Technology, 2022 - Elsevier
Particle scale modelling of the process physics involved in laser powder bed fusion (LPBF)
is a recent research hotspot, and many efforts have been made in the literature. However, a …

Numerical studies of melt pool and gas bubble dynamics in laser powder bed fusion process

E Li, Z Zhou, L Wang, R Zou, A Yu - Additive Manufacturing, 2022 - Elsevier
The formation of pores can severely deteriorate the quality of parts fabricated by laser
powder bed fusion (LPBF) technology. However, how the pores formation relates to melt …

Influence of powder size on defect generation in laser powder bed fusion of AlSi10Mg alloy

F Chu, E Li, H Shen, Z Chen, Y Li, H Liu, S Min… - Journal of Manufacturing …, 2023 - Elsevier
The particle size distribution (PSD) often changes as powders are cycled for recycled and
different powder batches are used, challenging a critical aspect of quality assurance in the …

Stability of molten pool and microstructure evolution of Ti-6Al-4 V during laser powder bed fusion with a flat-top beam

K Wang, D Xie, F Lv, F Liu, R Liu, D Liu, J Zhao - Additive Manufacturing, 2023 - Elsevier
The energy distribution pattern of a laser beam has a significant influence on the molten
pool stability and the defect formation mechanism in the additive manufacturing (AM) …

Comprehensive review: Advancements in modeling geometrical and mechanical characteristics of laser powder bed fusion process

SF Nabavi, A Farshidianfar, H Dalir - Optics & Laser Technology, 2025 - Elsevier
In its comprehensive exploration of recent developments in laser powder bed fusion (LPBF)
characteristics modeling, this study stands out by offering a unique emphasis on both …

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 …

[HTML][HTML] Effects of gas flow parameters on droplet spatter features and dynamics during large-scale laser powder bed fusion

Z Liu, Y Yang, C Han, H Zhou, M Wang, L Liu, H Wang… - Materials & Design, 2023 - Elsevier
The droplet spatters generated by the laser induction directly affect the processing quality of
the laser powder bed fusion (LPBF) process, gas parameters are a key factor in this process …

Physical mechanisms of conduction-to-keyhole transition in laser welding and additive manufacturing processes

YA Mayi, M Dal, P Peyre, M Bellet, R Fabbro - Optics & Laser Technology, 2023 - Elsevier
Thermo-hydrodynamic phenomena which take place during laser welding or additive
manufacturing processes as laser powder bed fusion, have been investigated for years, but …

The essential role of initial powder bed state in selective laser melting of 316 L stainless steel

D Yao, J Wang, X An, H Zhang, H Fu, X Yang… - International Journal of …, 2023 - Elsevier
Understanding the essential role of initial powder bed states (eg, structure and temperature)
in the printing process is crucial to obtain high-quality components in powder-bed-based …

Melt pool dynamics and pores formation in multi-track studies in laser powder bed fusion process

E Li, Z Zhou, L Wang, Q Zheng, R Zou, A Yu - Powder Technology, 2022 - Elsevier
In this work, the multi-physics of interactions between scanning tracks in laser powder bed
fusion (LPBF) is investigated numerically by a CFD-based model. The results show that the …