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Vol. 49 No. 2 (2024)
Original articles

Enhancing Directed Energy Deposited AL5356 Through in Situ Workpiece Vibrations

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  • Mirza Imširović,
  • Uroš Trdan,
  • Damjan Klobčar,
  • Drago Bračun,
  • Aleš Nagode,
  • Laurent Berthe,
  • Matija Bušić,
  • Miodrag Milčić,
  • Dragan Milčić,
  • Nataša Zdravković,
  • Aleksija Đurić
Mirza Imširović
Faculty of Mechanical Engineering, University of Ljubljana, Aškerčeva 6, 1000 Ljubljana, Slovenia
Uroš Trdan
Faculty of Mechanical Engineering, University of Ljubljana, Aškerčeva 6, 1000 Ljubljana, Slovenia
Damjan Klobčar
Faculty of Mechanical Engineering, University of Ljubljana, Aškerčeva 6, 1000 Ljubljana, Slovenia
Drago Bračun
Faculty of Mechanical Engineering, University of Ljubljana, Aškerčeva 6, 1000 Ljubljana, Slovenia
Aleš Nagode
Faculty of Natural Sciences, University of Ljubljana, Aškerčeva 12, 1000 Ljubljana, Slovenia
Laurent Berthe
PIMM, UMR8006 ENSAM, CNRS, CNAM, 151 bd de l’Hôpital, 75013 Paris, France
Matija Bušić
Department of Mechanical Engineering, University North, University Center Varaždin, Jurja Križanića 31b, 42000, Varaždin, Croatia
Miodrag Milčić
University of Niš Faculty of Mechanical Engineering, Aleksandra Medvedeva 14, 18000 Niš, Serbia
Dragan Milčić
University of Niš Faculty of Mechanical Engineering, Aleksandra Medvedeva 14, 18000 Niš, Serbia
Nataša Zdravković
University of Niš Faculty of Mechanical Engineering, Aleksandra Medvedeva 14, 18000 Niš, Serbia
Aleksija Đurić
University of East Sarajevo, Faculty of Mechanical Engineering, , Vuka Karadžića 30, 71123 Sarajevo, Bosnia and Herzegovina
DOI: https://doi.org/10.24867/ATM-2024-2-005%20

Published 2024-12-15

abstract views: 8 // Full text article (PDF): 2


Keywords

  • directed energy deposition (DED),
  • vibrations,
  • residual stress,
  • gas porosity,
  • grain refinement

How to Cite

[1]
M. Imširović, “Enhancing Directed Energy Deposited AL5356 Through in Situ Workpiece Vibrations”, Adv Techn Mat, vol. 49, no. 2, pp. 43–47, Dec. 2024.

Copyright (c) 2024 Advanced Technologies and Materials

Creative Commons License

This work is licensed under a Creative Commons Attribution 4.0 International License.

Abstract

This study explores an innovative method to enhance Directed Energy Deposition (DED) of aluminum 5356 products by integrating an electromagnetic vibration system into the DED setup. The application of vibrations significantly improved surface quality, reducing surface waviness and increasing building efficiency by 14%, from 78.5% to 92.25%.Gas porosity was reduced from 1.5 ± 0.04% in as-built (AB) components to 0.34 ± 0.07% in vibration-assisted (VA) parts. Tensile tests showed a marked reduction in anisotropy, with the tensile strength deviation between the x and z directions decreasing to less than 0.4% for vibration-assisted samples, compared to 7.9% for as- built ones. Additionally, secondary phase analysis revealed a homogenization effect, with magnesium- and iron-rich precipitates displaying a finer dispersion (3.57 ± 3.42 µm²) compared to 11.28 ± 12.49 µm² in as-built parts. Overall, the findings highlight the potential of vibration-assisted DED to improve part properties, reduce defects, and advance the DED manufacturing process.

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