[HTML][HTML] Understanding melt pool characteristics in laser powder bed fusion: An overview of single-and multi-track melt pools for process optimization

J Wang, R Zhu, Y Liu, L Zhang - Advanced Powder Materials, 2023 - Elsevier
Laser powder bed fusion (LPBF) has made significant progress in producing solid and
porous metal parts with complex shapes and geometries. However, LPBF produced parts …

[HTML][HTML] A comprehensive review on laser powder bed fusion of steels: Processing, microstructure, defects and control methods, mechanical properties, current …

SR Narasimharaju, W Zeng, TL See, Z Zhu… - Journal of Manufacturing …, 2022 - Elsevier
Abstract Laser Powder Bed Fusion process is regarded as the most versatile metal additive
manufacturing process, which has been proven to manufacture near net shape up to 99.9 …

In-situ monitoring of sub-surface and internal defects in additive manufacturing: A review

Y AbouelNour, N Gupta - Materials & Design, 2022 - Elsevier
Abstract Additive Manufacturing (AM), or 3D printing, processes depend on a user-defined
set of optimized process parameters to create a component. Monitoring and control of AM …

In-situ measurement and monitoring methods for metal powder bed fusion: an updated review

M Grasso, A Remani, A Dickins… - Measurement …, 2021 - iopscience.iop.org
The possibility of using a variety of sensor signals acquired during metal powder bed fusion
processes, to support part and process qualification and for the early detection of anomalies …

A review of spatter in laser powder bed fusion additive manufacturing: In situ detection, generation, effects, and countermeasures

Z Li, H Li, J Yin, Y Li, Z Nie, X Li, D You, K Guan… - Micromachines, 2022 - mdpi.com
Spatter is an inherent, unpreventable, and undesired phenomenon in laser powder bed
fusion (L-PBF) additive manufacturing. Spatter behavior has an intrinsic correlation with the …

The interplay between vapour, liquid, and solid phases in laser powder bed fusion

I Bitharas, N Parab, C Zhao, T Sun, AD Rollett… - Nature …, 2022 - nature.com
The capability of producing complex, high performance metal parts on demand has
established laser powder bed fusion (LPBF) as a promising additive manufacturing …

In-situ monitoring plume, spattering behavior and revealing their relationship with melt flow in laser powder bed fusion of nickel-based superalloy

Y Wang, W Guo, Y Xie, H Li, C Zeng, M Xu… - Journal of Materials …, 2024 - Elsevier
Laser powder bed fusion (LPBF) is a highly dynamic and complex physical process, and
single-track defects tend to accumulate into non-negligible internal defects of parts. The …

Observation of spatter-induced stochastic lack-of-fusion in laser powder bed fusion using in situ process monitoring

Z Snow, L Scime, A Ziabari, B Fisher, V Paquit - Additive Manufacturing, 2023 - Elsevier
Material produced via additive manufacturing (AM) continues to exhibit variable mechanical
properties despite apparent optimization of processing parameters, inhibiting qualification …

[HTML][HTML] On the effect of shielding gas flow on porosity and melt pool geometry in laser powder bed fusion additive manufacturing

J Reijonen, A Revuelta, T Riipinen, K Ruusuvuori… - Additive …, 2020 - Elsevier
Metal additive manufacturing is moving from rapid prototyping to on-demand manufacturing
and even to serial production. Consistent part quality and development of a wider range of …

A digital twin hierarchy for metal additive manufacturing

A Phua, CHJ Davies, GW Delaney - Computers in Industry, 2022 - Elsevier
Digital twins present a conceptual framework for product life-cycle monitoring and control
using a simulated replica of the physical system. Since their emergence, they have garnered …