Laser powder bed fusion additive manufacturing (LPBF-AM): the influence of design features and LPBF variables on surface topography and effect on fatigue …

J Elambasseril, J Rogers, C Wallbrink… - Critical reviews in …, 2023 - Taylor & Francis
The design freedom offered by additive manufacturing (AM) enables the fabrication of
components with internal surfaces that are challenging to access post-manufacture. This is …

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 …

Spatial inhomogeneity of build defects across the build plate in laser powder bed fusion

TP Moran, DH Warner, A Soltani-Tehrani… - Additive …, 2021 - Elsevier
The population of build defects as a function of position on the build plate was examined in
Ti-6Al-4V specimens fabricated on two common commercial laser powder bed fusion (LPBF) …

Spatter transport by inert gas flow in selective laser melting: A simulation study

AB Anwar, IH Ibrahim, QC Pham - Powder Technology, 2019 - Elsevier
Spattering is an unavoidable phenomenon during Selective Laser Melting (SLM). The
distinctively large and dark solidified molten particles have always been observed on the …

Towards a digital twin of laser powder bed fusion with a focus on gas flow variables

CG Klingaa, S Mohanty, CV Funch… - Journal of Manufacturing …, 2021 - Elsevier
Metal additive manufacturing is increasingly used as a complementary manufacturing
technique in industrial settings and slowly moving from pure prototy** applications toward …

Spatter transport in a laser powder-bed fusion build chamber

OH Aremu, FS Alneif, M Salah, H Abualrahi… - Additive …, 2024 - Elsevier
The adverse effects of spatter particles are well known in laser powder-bed fusion (LPBF)
additive manufacturing. To prevent the deposition of spatter particles, an inert gas flow is …

Simulation study of the spatter removal process and optimization design of gas flow system in laser powder bed fusion

X Zhang, B Cheng, C Tuffile - Additive Manufacturing, 2020 - Elsevier
An urgent need in the laser powder bed fusion (LPBF) process is to efficiently remove
emissions from or around the moving melt pool since the powder bed contamination by …

Effect of laser-plume interaction on part quality in multi-scanner Laser Powder Bed Fusion

C Tenbrock, T Kelliger, N Praetzsch, M Ronge… - Additive …, 2021 - Elsevier
Using multiple laser scanner units in Laser Powder Bed Fusion (LPBF) allows a significant
increase in productivity compared to single scanner systems. However, the part quality can …

[HTML][HTML] Computational analysis and experiments of spatter transport in a laser powder bed fusion machine

N O'Brien, SZ Uddin, J Weaver, J Jones, S Singh… - Additive …, 2024 - Elsevier
This work focuses on how spatter particles are transported within a laser powder bed fusion
(L-PBF) machine. The machine's gas flow rate and salient flow features are studied with a …