Physical Phenomena Occurring During Laser Remelting of the Surface Layer of Tool Steel

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Published: Apr 28, 2025
DOI: https://doi.org/10.12693/APhysPolA.147.196
Keywords:
physical properties, engine piston, modelling, Ansys computer simulation

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A. Dziwis
Division of Materials Processing Technology and Computer Techniques in Materials Science, Institute of Engineering Materials and Biomaterials, Silesian University of Technology, Konarskiego St. 18a, 44-100 Gliwice, Poland
M. Bonek
Division of Materials Processing Technology and Computer Techniques in Materials Science, Institute of Engineering Materials and Biomaterials, Silesian University of Technology, Konarskiego St. 18a, 44-100 Gliwice, Poland
W. Pakieła
Division of Materials Processing Technology and Computer Techniques in Materials Science, Institute of Engineering Materials and Biomaterials, Silesian University of Technology, Konarskiego St. 18a, 44-100 Gliwice, Poland
A. Śliwa
Division of Materials Processing Technology and Computer Techniques in Materials Science, Institute of Engineering Materials and Biomaterials, Silesian University of Technology, Konarskiego St. 18a, 44-100 Gliwice, Poland
W. Mikołejko
Division of Materials Processing Technology and Computer Techniques in Materials Science, Institute of Engineering Materials and Biomaterials, Silesian University of Technology, Konarskiego St. 18a, 44-100 Gliwice, Poland

Abstract

The undertaken simulation using finite element method concerned the calculation of heat propagation during laser processing in various process variants, considering the power of the laser beam and the technique of delivering powder to the melting zone. The proposed model was based on the nonlinear thermal conductivity change, specific heat and density depending on temperature. The heat supply to the processing site was assumed to be a heat beam corresponding to a laser power of 1.4, 1.7, and 2.1 kW. The latent heat effects are considered in the solidification analysis. The melting point consists of the same material as the substrate and no chemical reaction occurs there. The properties of the simulated materials and their surface condition depend on the absorbency. The focus was on the physical phenomena occurring during laser remelting of the surface layer of tool steel.

Article Details

How to Cite
[1]
A. Dziwis, M. Bonek, W. Pakieła, A. Śliwa, and W. Mikołejko, “Physical Phenomena Occurring During Laser Remelting of the Surface Layer of Tool Steel”, Acta Phys. Pol. A, vol. 147, no. 3, p. 196, Apr. 2025, doi: 10.12693/APhysPolA.147.196.
Issue
Vol. 147 No. 3 (2025): Proceedings of "Applications of Physics in Mechanical and Material Engineering" (APMME 2024)
Section
Special segment
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This work is licensed under a Creative Commons Attribution 4.0 International License.

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