Recent progress on microstructure manipulation of aluminium alloys manufactured via laser powder bed fusion

Z Xiao, W Yu, H Fu, Y Deng, Y Wu… - Virtual and Physical …, 2023 - Taylor & Francis
Laser powder bed fusion (LPBF) is a promising additive manufacturing technique that allows
layer-by-layer fabrication of metallic powders. Distinguished thermal dynamics result in the …

Optimisation of downskin parameters to produce metallic parts via laser powder bed fusion process: an overview

V Viale, J Stavridis, A Salmi, F Bondioli… - The International Journal …, 2022 - Springer
Additive manufacturing technologies are considered advanced processes in which it is
possible to produce complex shape components layer-by-layer. In these technologies, it is …

Harmonizing sound and light: X-ray imaging unveils acoustic signatures of stochastic inter-regime instabilities during laser melting

M Hamidi Nasab, G Masinelli, C de Formanoir… - Nature …, 2023 - nature.com
Laser powder bed fusion (LPBF) is a metal additive manufacturing technique involving
complex interplays between vapor, liquid, and solid phases. Despite LPBF's advantageous …

[HTML][HTML] An experimental and modeling study on warping in additively manufactured overhang structures

X Gao, F Okigami, N Avedissian, W Zhang - Additive Manufacturing, 2024 - Elsevier
Printing overhang structures by laser-powder bed fusion (L-PBF) additive manufacturing
remains challenging due to warping distortion. This paper studies the warping formation of …

Laser powder bed fusion (L-PBF) 3D printing thin overhang walls of permalloy for a modified honeycomb magnetic-shield structure

B Li, W Zhang, W Fu, F Xuan - Thin-Walled Structures, 2023 - Elsevier
Modified honeycomb parts of Ni-15Fe-5Mo permalloy for magnetic shielding applications
were designed and fabricated via laser powder bed fusion (L-PBF) 3D printing. We focused …

[HTML][HTML] On the maintenance of processing stability and consistency in laser-directed energy deposition via machine learning

M Wang, N Kashaev - Journal of Manufacturing Systems, 2024 - Elsevier
In lateral wire-based laser-directed energy deposition, conveying shielding gas through the
wire feed nozzle devastates the processing stability, which results in a geometrical deviation …

Detecting missing struts in metallic micro-lattices using high speed melt pool thermal monitoring

JB Forien, GM Guss, SA Khairallah, WL Smith… - Additive Manufacturing …, 2023 - Elsevier
Metal lattices are an important class of cellular materials that offer great advantages by
providing high-strength and lightweight structures as compared to bulk materials. Progress …

In situ monitoring in laser melt injection based on fusion of infrared thermal and high-speed camera images

H Xu, H Huang - Journal of Manufacturing Processes, 2023 - Elsevier
Unstable reliability and poor repeatability in the production of metal matrix composite (MMC)
parts are primary challenges currently faced by laser melt injection (LMI). In situ monitoring …

Application of in situ process monitoring to optimise laser parameters during laser powder bed fusion printing of Ti-6Al-4V parts with overhang structures

JJ Power, O Humphreys, M Hartnett, D Egan… - … International Journal of …, 2024 - Springer
Enhanced levels of alloy print defects such as porosity are associated with the printing of
overhang structures by laser powder bed fusion (L-PBF). This study compared the …

[HTML][HTML] Mechanical properties of 3D printed CMT-WAAM 316 LSi stainless steel walls

DG Andrade, T Tankova, C Zhu, R Branco… - … of Constructional Steel …, 2024 - Elsevier
The use of 3D printed stainless steel requires a deep knowledge of its mechanical
properties. This paper presents material characterisation of 316LSi austenitic stainless-steel …