Authors:
Charlotte de Formanoir, Milad Hamidi Nasab, et al.
Contents:
- In Laser Powder-Bed Fusion (LPBF) the unpredictable formation of defects such as pores can lead to compromised mechanical properties
- Using XARION’s optical microphone a strategy for monitoring in-situ healing of pores through laser remelting was implemented
- Acoustic signals acquired during laser remelting are temporally synchronized and analyzed with X-ray images to identify acoustic signatures of the pore healing event
- The approach presented in this paper enables precise monitoring of defect healing during the LPBF process without the use of elaborate machine learning algorithms
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