THEORETICAL APPROACH FOR DETERMINING AN EMISSIVITY OF SOLID MATERIALS AND ITS COMPARISON WITH EXPERIMENTAL STUDIES ON THE EXAMPLE OF 316L POWDER STEEL

Oleksandr Vasilevskyi; Michael Cullinan; Jared Allison

doi:10.35784/iapgos.6289

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Published: Sep 30, 2024

DOI: https://doi.org/10.35784/iapgos.6289

Issue Vol. 14 No. 3 (2024)

Articles

THEORETICAL APPROACH FOR DETERMINING AN EMISSIVITY OF SOLID MATERIALS AND ITS COMPARISON WITH EXPERIMENTAL STUDIES ON THE EXAMPLE OF 316L POWDER STEEL
Oleksandr Vasilevskyi, Michael Cullinan, Jared Allison

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DOI

https://doi.org/10.35784/iapgos.6289

Authors

Oleksandr Vasilevskyi

om.vasilevskyi@gmail.com

The University of Texas at Austin, Walker Department of Mechanical Engineering, United States

https://orcid.org/0000-0002-8618-0377

Michael Cullinan

michael.cullinan@austin.utexas.edu

The University of Texas at Austin, Walker Department of Mechanical Engineering, United States

Jared Allison

jared.allison@utexas.edu

The University of Texas at Austin, Walker Department of Mechanical Engineering, United States

Abstract

The work used Maxwell's electromagnetic theory to quantitatively describe the emissivity of solid materials through electrical resistivity and temperature. An equation is proposed for recalculating the emissivity of smooth surfaces into powdery or rough surfaces. The obtained theoretical characteristics of the change in the emissivity of 316L powder steel were compared with experimental ones. As a result of the comparison, it was established that the experimental results obtained correlate with theoretical calculations and do not go beyond the limits of the expanded uncertainty of measurement.

Keywords:

additive manufacturing, the emissivity of the smooth surface, Maxwell's electromagnetic theory, the emissivity of the rough surface, 316L powder steel, machine learning

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Vasilevskyi, O., Cullinan, M., & Allison, J. (2024). THEORETICAL APPROACH FOR DETERMINING AN EMISSIVITY OF SOLID MATERIALS AND ITS COMPARISON WITH EXPERIMENTAL STUDIES ON THE EXAMPLE OF 316L POWDER STEEL. Informatyka, Automatyka, Pomiary W Gospodarce I Ochronie Środowiska, 14(3), 5–8. https://doi.org/10.35784/iapgos.6289

THEORETICAL APPROACH FOR DETERMINING AN EMISSIVITY OF SOLID MATERIALS AND ITS COMPARISON WITH EXPERIMENTAL STUDIES ON THE EXAMPLE OF 316L POWDER STEEL

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