[G] Solid process/ Solid and welding process(2)

2:30 PM - 2:45 PM JST(5:30 AM - 5:45 AM UTC)

[300] Investigation of keyhole acoustic emission signature during LPBF process

*Louis Galiegue¹, Fabien Briffod², 大慈 増尾³, 海太 伊藤^2,4, 隆行 白岩¹, 学 榎¹ (1. The University of Tokyo、2. NIMS、3. MTC、4. KMTL)

Keywords:

Acoustic Emission,Laser Powder Bed Fusion,Additive manufacturing,Keyhole

Acoustic Emission is a candidate to detect defect formation while printing to reduce post-print inspection. Despite prior investigations into AE, the link between pore formation and its AE is unclear.