On the modeling and simulation of SLM and SLS for metal and polymer powders: a review
EL Papazoglou, NE Karkalos… - … Methods in Engineering, 2022 - Springer
Additive Manufacturing concentrates the attention, not only of the research and academic
community, but of the industry as well. Selective Laser Melting (SLM) and Selective Laser …
community, but of the industry as well. Selective Laser Melting (SLM) and Selective Laser …
A review of powder deposition in additive manufacturing by powder bed fusion
P Avrampos, GC Vosniakos - Journal of manufacturing processes, 2022 - Elsevier
One of the most important aspects of Powder Bed Fusion (PBF) processes is the powder
layer spreading. The powder layer needs to be applied in such a way that its evenness and …
layer spreading. The powder layer needs to be applied in such a way that its evenness and …
Effects of spreader geometry on powder spreading process in powder bed additive manufacturing
Powder spreading process is to use a spreader such as blade or roller to spread powder
layers for subsequent fusion in powder bed fusion additive manufacturing. In this work, the …
layers for subsequent fusion in powder bed fusion additive manufacturing. In this work, the …
[HTML][HTML] Combined effect of particle size and surface cohesiveness on powder spreadability for additive manufacturing
The dependence of powder flowability on particle cohesion can often be captured by a
dimensionless Bond number, however, whether the same is true for powder spreadability …
dimensionless Bond number, however, whether the same is true for powder spreadability …
[HTML][HTML] Linking particle properties to layer characteristics: Discrete element modelling of cohesive fine powder spreading in additive manufacturing
Particle properties play a key role in determining the flowability of cohesive fine powders
and consequently the quality of parts fabricated by additive manufacturing. However, how …
and consequently the quality of parts fabricated by additive manufacturing. However, how …
[HTML][HTML] The effects of interstitial inert gas on the spreading of Inconel 718 in powder bed fusion
The effects of interstitial gas on the spreadability of Inconel 718 powder under conditions
relevant to powder-bed fusion additive manufacturing (PBF-AM) are investigated through …
relevant to powder-bed fusion additive manufacturing (PBF-AM) are investigated through …
[HTML][HTML] Effect of gas-particle interaction on roller spreading process in additive manufacturing
Abstract Powder spreading in Additive Manufacturing (AM) has been analysed extensively
by the Discrete Element Method, but without considering the presence of ambient gas. For …
by the Discrete Element Method, but without considering the presence of ambient gas. For …
Effects of particle elongation on the binary coalescence dynamics of powder grains for Laser Sintering applications
In this paper, the effects of particle shape and viscoelasticity on the binary coalescence rates
of a pair of PEK HP3 particles in the Laser Sintering (LS) process are investigated in detail …
of a pair of PEK HP3 particles in the Laser Sintering (LS) process are investigated in detail …
An analytical model for prediction of denudation zone width in laser powder bed fusion additive manufacturing
Accurately modeling the physics of laser-powder interaction is needed for predicting the
probabilities of performance-limiting defects in parts additively manufactured using laser …
probabilities of performance-limiting defects in parts additively manufactured using laser …
[HTML][HTML] The role of powder morphology in particle movement behavior in laser powder bed fusion with an emphasis on fluid drag
T Fedina, J Sundqvist, AFH Kaplan - Powder Technology, 2022 - Elsevier
This study investigates the movement behavior of particles of dissimilar morphology in the
powder bed in Laser Powder Bed Fusion. Gas atomized (GA) and water atomized (WA) low …
powder bed in Laser Powder Bed Fusion. Gas atomized (GA) and water atomized (WA) low …