APPLICATION OF A FINITE ELEMENT MODEL TO OBTAIN THE INFLUENCE OF THE TREATMENT’S POWER, REFLECION AND FOCAL DIAMETER IN LASER TEXTURING OF ALUMINUM

Authors

  • Lyubomir Lazov Faculty of Engineering, Rezekne Academy of Technologies (LV)
  • Ivo Draganov Faculty of Mechanical and Manufacturing Engineering, University of Ruse (BG)

DOI:

https://doi.org/10.17770/etr2023vol3.7278

Keywords:

laser texturing, pure aluminum, finite element method (FEM), vaporized zone

Abstract

In this work, a numerical model of laser texturing is considered. A finite element model of a representative sample of pure aluminum was created. The impact of a laser pulse was simulated, assuming a Gaussian volume distribution of the heat flux. Material properties are assumed to be constant and latent heat is accounted for. Results are obtained for the thermal field and the width of the vaporized zone, assuming that the crater is characterized by its maximum width. The numerical model was used to study the influence of pulse power density, reflection, focal diameter and pulse duration. The ablation threshold at different laser pulse durations was determinate.

 

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Published

2024-01-16

Issue

Vol. 3 (2023): Environment. Technology. Resources. Proceedings of the 14th International Scientific and Practical Conference. Volume 3

Section

Laser Technologies

How to Cite

[1]
L. Lazov and I. Draganov, “APPLICATION OF A FINITE ELEMENT MODEL TO OBTAIN THE INFLUENCE OF THE TREATMENT’S POWER, REFLECION AND FOCAL DIAMETER IN LASER TEXTURING OF ALUMINUM”, ETR, vol. 3, pp. 328–333, Jan. 2024, doi: 10.17770/etr2023vol3.7278.