Understanding and detection of process instabilities in wire arc directed energy deposition additive manufacturing using meltpool imaging and machine learning

Understanding and detection of process instabilities in wire arc directed energy deposition additive manufacturing using meltpool imaging and machine learning

This work concerns the wire arc directed energy deposition (WA-DED) additive manufacturing process. The objectives were two-fold: (1) observe and understand, through in-operando high-speed meltpool imaging, the causal dynamics of two common WA-DED process instabilities, namely, humping and humping-i...

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Bibliographic Details
Main Authors: André Ramalho, Anis Assad, Benjamin Bevans, Fernando Deschamps, Telmo G. Santos, J.P. Oliveira, Prahalada Rao
Format: Article
Language:English
Published: Elsevier 2025-10-01
Series:Materials & Design
Subjects:
Wire arc directed energy deposition
Wire arc additive manufacturing (WAAM)
Porosity
Humping
Meltpool imaging
Process-aware machine learning
Online Access:http://www.sciencedirect.com/science/article/pii/S0264127525010184
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http://www.sciencedirect.com/science/article/pii/S0264127525010184

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