Z Li, H Li, J Yin, Y Li, Z Nie, X Li, D You, K Guan… - Micromachines, 2022 - mdpi.com
… on the build area, a long-exposure near-infrared insitumonitoring associated with image analysis was employed to determine the exact locations using the EOS EOSTATE Exposure …
… detect spatter redeposits via in-situmonitoring and to couple the detections to lack of fusion. … In-situmonitoring of spatter has mainly been used to elucidate the formation mechanisms …
… laser melting (SLM) manufactured components. This study provides a flexible and integrated method for insitu process monitoring … (b) spatter condensates on the powderbed at laser …
M Grasso, A Remani, A Dickins… - Measurement …, 2021 - iopscience.iop.org
… signatures', ie measurable quantities, and we leave the discussion of 'derived signatures', ie … thermal history of the process and its by-products, such as spatters and plume emissions. …
M Grasso, BM Colosimo - Robotics and Computer-Integrated Manufacturing, 2019 - Elsevier
… signatures to design and implement statistical monitoring … a methodology to monitor the LPBF process via in-situ infrared (IR) … use of spatters and plume properties as process signatures …
… Laser plume and plasma emissions, splatter ejection and ambient gas pressure and flow can have an impact on the IR emission and thus contribute a source of error to thermal …
L Yang, L Lo, S Ding, T Özel - Progress in Additive Manufacturing, 2020 - Springer
… Insitumonitoring of LPBF process is essential to detect the … in-process monitoring of laser powderbedfusion process using … the time signature of the meltpool and its vicinity during laser …
… the laser melting process. This paper presents an in-situmonitoring setup for detecting spatters and … The size, shape, count, and cooling rate of spatter particles are evaluated using a …
M Grasso, BM Colosimo - Measurement Science and Technology, 2017 - iopscience.iop.org
… tools for insitumonitoring of powderbedfusion (PBF) … most relevant process signatures and the insitu sensing approaches … When the spatters fall on the powderbed, they can produce …