Results of studies on the emissivity of metal powder for implementing an intelligent control approach in additive manufacturing

Oleksandr Vasilevskyi; Michael Cullinan; Jared Allison; Leonid Polishchuk; Orken Mamyrbayev; Konrad Gromaszek; Sofia Dembitska

doi:10.1117/12.3058548

16 December 2024 Results of studies on the emissivity of metal powder for implementing an intelligent control approach in additive manufacturing

Oleksandr Vasilevskyi, Michael Cullinan, Jared Allison, Leonid Polishchuk, Orken Mamyrbayev, Konrad Gromaszek, Sofia Dembitska

Author Affiliations +

Proceedings Volume 13400, Photonics Applications in Astronomy, Communications, Industry, and High Energy Physics Experiments 2024; 134000Q (2024) https://doi.org/10.1117/12.3058548
Event: Photonics Applications in Astronomy, Communications, Industry, and High Energy Physics Experiments 2024, 2024, Lublin, Poland

Abstract

In this study, the emissivity values of metal powder were examined by measuring reference temperature values using thermocouples, an infrared camera and aluminium foil to determine the reflection temperature. This enabled the testing of a methodology for determining emissivity in order to implement an intelligent control approach in additive manufacturing. The research established emissivity values for the surface of 316L powder steel that range from 0.33 to 0.46 in the temperature range from 50 to 600°C. The proposed approach allows the calibration of an infrared camera to accurately determine the temperature values of metal surfaces, which opens up the possibility of using the measurement results for intelligent control of laser power in additive manufacturing.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

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Oleksandr Vasilevskyi, Michael Cullinan, Jared Allison, Leonid Polishchuk, Orken Mamyrbayev, Konrad Gromaszek, and Sofia Dembitska "Results of studies on the emissivity of metal powder for implementing an intelligent control approach in additive manufacturing", Proc. SPIE 13400, Photonics Applications in Astronomy, Communications, Industry, and High Energy Physics Experiments 2024, 134000Q (16 December 2024); https://doi.org/10.1117/12.3058548

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