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The aim is to understand defect formation in metal additive manufacturing and to improve in situ monitoring methods.

Mechanisms, Sensors, and Signals for Defect Formation and In Situ Monitoring in Metal Additive Manufacturing

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The aim is to understand defect formation in metal additive manufacturing and to improve in situ monitoring methods.
Reviewed common defects like cracking and porosity in metal additive manufacturing processes.
Explained the connection between defect mechanisms and measurable signals during manufacturing.
Described data analysis techniques, including feature extraction and thermal field evaluation.
Identified key defect types and their causes in metal additive manufacturing processes.
Linked defect formation mechanisms to measurable optical, thermal, and acoustic signals.
Outlined potential strategies for improving monitoring systems in metal additive manufacturing.

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This review explores defect formation mechanisms and in situ monitoring systems in metal additive manufacturing, suggesting reliability improvements.

Nobari et al. (2026) studied this question.

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This review explores defect formation mechanisms and in situ monitoring systems in metal additive manufacturing, suggesting reliability improvements.