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 …

Infrared thermography: A non-invasive window into thermal physiology

GJ Tattersall - Comparative Biochemistry and Physiology Part A …, 2016 - Elsevier
Infrared thermography is a non-invasive technique that measures mid to long-wave infrared
radiation emanating from all objects and converts this to temperature. As an imaging …

Defects in metal additive manufacturing processes

MC Brennan, JS Keist, TA Palmer - 2021 - Springer
The formation of defects within additive-manufactured (AM) components is a major concern
for critical structural and cyclic load applications. Thus, understanding the mechanisms of …

Geometrical metrology for metal additive manufacturing

RK Leach, D Bourell, S Carmignato, A Donmez… - CIRP annals, 2019 - Elsevier
The needs, requirements, and on-going and future research issues in geometrical metrology
for metal additive manufacturing are addressed. The infrastructure under development for …

Thermographic measurements of the commercial laser powder bed fusion process at NIST

B Lane, S Moylan, EP Whitenton, L Ma - Rapid prototyping journal, 2016 - emerald.com
Purpose Quantitative understanding of the temperatures, gradients and heating/cooling
rates in and around the melt pool in laser powder bed fusion (L-PBF) is essential for …

Scalable in situ non-destructive evaluation of additively manufactured components using process monitoring, sensor fusion, and machine learning

Z Snow, L Scime, A Ziabari, B Fisher, V Paquit - Additive Manufacturing, 2023 - Elsevier
Abstract Laser Powder Bed Fusion (L-PBF) Additive Manufacturing (AM) is among the metal
3D printing technologies most broadly adopted by the manufacturing industry. However, the …

Infrared thermography for laser-based powder bed fusion additive manufacturing processes

S Moylan, E Whitenton, B Lane… - AIP Conference …, 2014 - pubs.aip.org
Additive manufacturing (AM) has the potential to revolutionize discrete part manufacturing,
but improvements in processing of metallic materials are necessary before AM will see …

Part-scale thermal evolution and post-process distortion of Inconel-718 builds fabricated by laser powder bed fusion

Q Wang, P Michaleris, M Pantano, C Li, Y Ren… - Journal of Manufacturing …, 2022 - Elsevier
In-situ monitoring and assessment of thermal evolution during the layer-by-layer build
process of a laser powder bed fusion (L-PBF) additive manufacturing system play a pivotal …

[HTML][HTML] A novel methodology for the thermographic cooling rate measurement during powder bed fusion of metals using a laser beam

DL Wenzler, K Bergmeier, S Baehr, J Diller… - Integrating Materials and …, 2023 - Springer
Powder bed fusion of metals using a laser beam (PBF-LB/M) is a process that enables the
fabrication of geometrically complex parts. In this process, a laser beam melts a metallic …

Temperature monitoring of milling processes using a directional-spectral thermal radiation heat transfer formulation and thermography

M de Oliveira Moreira, AM Abrão, RAM Ferreira… - International Journal of …, 2021 - Elsevier
Temperature is an important property to be monitored during cutting operations, such as in
the milling of metals, because it affects the workpiece mechanical properties, the machining …