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Melt pool instability detection using coaxial photodiode system validated by in-situ X-ray imagingCarter, Fred M. III ...A co-axial photodiode monitoring system with high temporal resolution has been integrated into a proven test bench enabling synchronized side-view high speed X-ray imaging of melt pool dynamics and ... top-view spectral emission characterization of the melt pool. This setup enables direct observation of melt pool phenomena and correlation between the two monitoring systems which can be directly scaled to commercial systems. The work demonstrates a 92% detection rate in keyhole collapse phenomena related to defect generation in SLM. Furthermore, the impact of gas flow on monitoring signals is studied to understand the fundamental importance of gas flow in commercial systems.Source: CIRP annals. - ISSN 0007-8506 (Vol. 72, iss. 1, 2023, str. 205-208)Type of material - article, component partPublish date - 2023Language - englishCOBISS.SI-ID - 159004163
Author
Carter, Fred M. III |
Kozjek, Dominik |
Porter, Conor |
Clark, Samuel J. |
Fezzaa, Kamel |
Fujishima, Makoto |
Irino, Naruhiro |
Cao, Jian
Topics
additive manufacturing |
X-ray |
melt pool characterization |
machine learning |
aditivna proizvodnja |
rentgenski žarki |
X-žarki |
karakterizacija bazena taline |
strojno učenje
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Carter, Fred M. III | ![]() |
Kozjek, Dominik | 38151 |
Porter, Conor | ![]() |
Clark, Samuel J. | ![]() |
Fezzaa, Kamel | ![]() |
Fujishima, Makoto | ![]() |
Irino, Naruhiro | ![]() |
Cao, Jian | ![]() |
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