# In-situ crack and keyhole pore detection in laser directed energy deposition through acoustic signal and deep learning

> Research article (Additive manufacturing, 2023) · cited 67× · AI/ML

**Wikidata**: [openalex:W4363649849](https://www.wikidata.org/wiki/openalex:W4363649849)  
**Source**: https://4ort.xyz/entity/in-situ-crack-and-keyhole-pore-detection-in-laser-directed-energy-deposition-through-acoustic-signal-and-deep-learning