Defect detection based on sensor data fusion of optical monitoring systems in laser based Powder Bed Fusion

Holger Merschroth; Jana Harbig; Matthias Weigold

doi:10.1364/LAC.2020.LTh1B.3

Laser Congress 2020 (ASSL, LAC)
OSA Technical Digest (Optica Publishing Group, 2020),
paper LTh1B.3
•https://doi.org/10.1364/LAC.2020.LTh1B.3

Defect detection based on sensor data fusion of optical monitoring systems in laser based Powder Bed Fusion

Holger Merschroth, Jana Harbig, and Matthias Weigold

Laser Applications Conference 2020

Washington, D.C. United States
13–16 October 2020
ISBN: 978-1-943580-84-2

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Laser Based Additive Manufacturing (LTh1B)

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H. Merschroth, J. Harbig, and M. Weigold, "Defect detection based on sensor data fusion of optical monitoring systems in laser based Powder Bed Fusion," in Laser Congress 2020 (ASSL, LAC), P. Schunemann, C. Saraceno, S. Mirov, S. Taccheo, J. Nilsson, A. Petersen, D. Mordaunt, and J. Trbola, eds., OSA Technical Digest (Optica Publishing Group, 2020), paper LTh1B.3.

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Abstract

Due to time and cost-intensive quality assurance of LPBF an in-process monitoring is developed by data fusion of photodiodes, thermography and high–speed camera on three abstraction levels resulting in a defect detection of 86 %.

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