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 …
A residual heat compensation based scan strategy for powder bed fusion additive manufacturing
Typical scan strategies for laser powder bed fusion (LPBF) additive manufacturing systems
apply a constant laser power and scan speed. Localized preheating from adjacent scan …
apply a constant laser power and scan speed. Localized preheating from adjacent scan …
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 …
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 …
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 …
[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 …
and even to serial production. Consistent part quality and development of a wider range of …
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 …
Part geometry and conduction-based laser power control for powder bed fusion additive manufacturing
Laser powder bed fusion (LPBF) uses a focused, high power laser to repeatedly scan
geometric patterns on thin layers of metal powder, which build up to a final, solid three …
geometric patterns on thin layers of metal powder, which build up to a final, solid three …
Machine learning based prediction of melt pool morphology in a laser-based powder bed fusion additive manufacturing process
Laser-based powder bed fusion (L-PBF) has become the de facto choice for metal additive
manufacturing (AM) processes. Even after considerable research investments, components …
manufacturing (AM) processes. Even after considerable research investments, components …
An efficient track-scale model for laser powder bed fusion additive manufacturing: Part 1-thermal model
This is the first of two manuscripts that presents a computationally efficient full field
deterministic model for laser powder bed fusion (LPBF). A new Hybrid Line (HL) heat input …
deterministic model for laser powder bed fusion (LPBF). A new Hybrid Line (HL) heat input …