Defects and anomalies in powder bed fusion metal additive manufacturing

A Mostafaei, C Zhao, Y He, SR Ghiaasiaan… - Current Opinion in Solid …, 2022 - Elsevier
Metal additive manufacturing is a disruptive technology that is revolutionizing the
manufacturing industry. Despite its unrivaled capability for directly fabricating metal parts …

Laser additive manufacturing of steels

Y Yin, Q Tan, M Bermingham, N Mo… - International …, 2022 - Taylor & Francis
Despite strong interest from many industrial sectors driving demand and advancements in
laser additive manufacturing (LAM) of steels, some issues remain as barriers limiting the …

Additive manufacturing of high-strength crack-free Ni-based Hastelloy X superalloy

Q Han, Y Gu, R Setchi, F Lacan, R Johnston… - Additive …, 2019 - Elsevier
Laser powder bed fusion (LPBF) is a proven additive manufacturing (AM) technology for
producing metallic components with complex shapes using layer-by-layer manufacture …

Effects of spreader geometry on powder spreading process in powder bed additive manufacturing

L Wang, A Yu, E Li, H Shen, Z Zhou - Powder Technology, 2021 - Elsevier
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 …

Packing quality of powder layer during counter-rolling-type powder spreading process in additive manufacturing

H Chen, Y Chen, Y Liu, Q Wei, Y Shi, W Yan - International Journal of …, 2020 - Elsevier
Powder spreading is an essential procedure in powder-bed-based additive manufacturing,
and the resultant packing quality of the powder layer has important effects on the quality of …

[HTML][HTML] The influence of material and process parameters on powder spreading in additive manufacturing

MY Shaheen, AR Thornton, S Luding, T Weinhart - Powder technology, 2021 - Elsevier
Additive manufacturing (AM) or 3D printing is beginning to mature from a rapid prototy** to
an industrial production technology. However, there are still a lot of fundamental questions …

Multi-physics modelling of molten pool development and track formation in multi-track, multi-layer and multi-material selective laser melting

H Gu, C Wei, L Li, Q Han, R Setchi, M Ryan… - International Journal of …, 2020 - Elsevier
Selective laser melting (SLM) is a promising powder-based additive manufacturing
technology due to its capability to fabricate metallic components with complex geometries …

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 …

Dynamic investigation on the powder spreading during selective laser melting additive manufacturing

D Yao, X An, H Fu, H Zhang, X Yang, Q Zou… - Additive Manufacturing, 2021 - Elsevier
In selective laser melting in additive manufacturing, powder spreading significantly affects
the subsequent operating procedure as well as the quality of final products. Compared with …

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 …