Thermal Monitoring for Process Control and Parameter Correlation in Laser Powder Bed Fusion of AlSi10Mg

Ester D'Accardi

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Thermal Monitoring for Process Control and Parameter Correlation in Laser Powder Bed Fusion of AlSi10Mg

Ester D'Accardi

¹ Polytechnic University of Bari

Academic Editor: Hirotsugu Inoue

Published: 29 August 2025 by MDPI in The 18th Advanced Infrared Technology and Applications session Session 2 (Under 35)

Abstract:

Laser Powder Bed Fusion (L-PBF) of AlSi10Mg is challenged by rapid thermal transients and high diffusivity. This study applies a microbolometer-based thermal monitoring system to correlate laser power, scan speed, and build position with thermal features. Results demonstrate reliable detection of defects such as keyhole porosity, supporting real-time process control and quality assurance.

Keywords: monitoring; L-PBF process; AlSi10Mg; statistical analysis; additive manufacturing.

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Ester D'Accardi