Real-time process monitoring and closed-loop control on laser power via a customized laser powder bed fusion platform
Additive manufacturing (AM) is one of the most effective ways to fabricate parts with complex
geometries using various materials. However, AM also suffers from printing quality issues …
geometries using various materials. However, AM also suffers from printing quality issues …
Model-based feedforward control of laser powder bed fusion additive manufacturing
Control of laser power to improve part quality is critical for fabrication of complex
components via Laser Powder Bed Fusion (LPBF) additive manufacturing (AM) processes. If …
components via Laser Powder Bed Fusion (LPBF) additive manufacturing (AM) processes. If …
A cybermanufacturing and AI framework for laser powder bed fusion (LPBF) additive manufacturing process
Abstract In Laser Powder Bed Fusion (LPBF) along, more than 50 process parameters are
known to affect print quality. The current state-of-the-art practice in process control only …
known to affect print quality. The current state-of-the-art practice in process control only …
[PDF][PDF] On the requirements for model-based thermal control of melt pool geometry in laser powder bed fusion additive manufacturing
As additive manufacturing processes mature, process control is increasingly sought after as
a means for improved quality. Accurate and responsive control of melt pool geometry in …
a means for improved quality. Accurate and responsive control of melt pool geometry in …
An optimized scanning strategy to mitigate excessive heat accumulation caused by short scanning lines in laser powder bed fusion process
During laser powder bed fusion (LPBF) additive manufacturing of components with complex
geometries, short scanning lines easily induce localized excessive heat accumulation …
geometries, short scanning lines easily induce localized excessive heat accumulation …
Photodiode-based machine learning for optimization of laser powder bed fusion parameters in complex geometries
The quality of parts produced through laser powder bed fusion additive manufacturing can
be irregular, with complex geometries sometimes exhibiting dimensional inaccuracies and …
be irregular, with complex geometries sometimes exhibiting dimensional inaccuracies and …
Iterative simulation-based techniques for control of laser powder bed fusion additive manufacturing
One of the challenges for process control of laser powder bed fusion additive manufacturing
lies in thermal control. Excessively low laser power may lead to incomplete melting, while …
lies in thermal control. Excessively low laser power may lead to incomplete melting, while …
In-situ characterization and quantification of melt pool variation under constant input energy density in laser powder bed fusion additive manufacturing process
Size and shape of a melt pool play a critical role in determining the microstructure in
additively manufactured metals. However, it is very challenging to directly characterize the …
additively manufactured metals. However, it is very challenging to directly characterize the …
Thermal behavior and control during multi-track laser powder bed fusion of 316 L stainless steel
D Yao, J Wang, H Luo, Y Wu, X An - Additive Manufacturing, 2023 - Elsevier
Understanding and controlling the thermal behavior during laser powder bed fusion (LPBF)
additive manufacturing (AM) is crucial to improve the quality of the printed layer and the …
additive manufacturing (AM) is crucial to improve the quality of the printed layer and the …
A meltpool prediction based scan strategy for powder bed fusion additive manufacturing
In this study a feedforward control method for laser powder bed fusion additive
manufacturing is demonstrated. It minimizes the meltpool variation by updating the laser …
manufacturing is demonstrated. It minimizes the meltpool variation by updating the laser …