Study of Online Testing of Void Defects in AM Components with Grating Laser Ultrasonic Spectrum Method

Study of Online Testing of Void Defects in AM Components with Grating Laser Ultrasonic Spectrum Method

Void defects, manifested as distributed porosity, are common in metal additive manufacturing (AM) and can significantly degrade the mechanical performance and reliability of fabricated components. To enable real-time quality control during fabrication, this study proposes a grating laser ultrasonic...

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Bibliographic Details
Main Authors: Hengtao Li, Yan Liu, Jinfeng Yang, Qinghua Guo, Zhichao Gan, Cuixiang Pei
Format: Article
Language:English
Published: MDPI AG 2025-07-01
Series:Applied Sciences
Subjects:
additive manufacturing
grating laser ultrasonics
online monitoring
porosity evaluation
surface acoustic wave
Online Access:https://www.mdpi.com/2076-3417/15/14/7995
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