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Numerical simulation of transport phenomena and its effect on the weld profile and solute distribution during laser welding of dissimilar aluminium alloys with and without beam oscillation
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Mohan, Anand, Franciosa, Pasquale, Ceglarek, Dariusz and Auinger, Michael (2023) Numerical simulation of transport phenomena and its effect on the weld profile and solute distribution during laser welding of dissimilar aluminium alloys with and without beam oscillation. The International Journal of Advanced Manufacturing Technology, 124 (10). pp. 3311-3325. doi:10.1007/s00170-022-10623-3 ISSN 0268-3768.
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WRAP-numerical-simulation-transport-phenomena-effect-weld-profile-solute-distribution-laser-welding-dissimilar-aluminium-alloys-with-without-beam-oscillation-2023.pdf - Published Version - Requires a PDF viewer. Available under License Creative Commons Attribution 4.0. Download (3344Kb) | Preview |
Official URL: https://doi.org/10.1007/s00170-022-10623-3
Abstract
Remote Laser Welding (RLW) of Aluminium alloys has significant importance in lightweight manufacturing to decrease the weight of the body in white. It is critical to understand the physical process of transport phenomena during welding which is highly related to the mechanical performance of the joints. To investigate the underlying physics during welding and to understand the influence of beam oscillation on heat transfer, fluid flow and material mixing a transient three-dimensional Finite Element (FE) based Multiphysics model has been developed and validated from the experiments. The effect of welding speed, oscillation amplitude and oscillation frequency on the fusion zone dimensions, flow profile, vorticity profile, cooling rate and thermal gradient during the butt welding of Al-5754 to Al-6005, with sinusoidal beam oscillation, is analysed. It was found that one additional vortex is formed during beam oscillation welding due to the churning action of the oscillating beam. With the increase in oscillation amplitude, welds become wider and the depth of penetration decreases. An increase in oscillation frequency leads to an increase in the flow rate of the molten metal suggesting that the beam oscillation introduces a churning action that leads to an increase in mixing. It was highlighted that the material mixing depends on both diffusion and convection.
Item Type: | Journal Article | |||||||||
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Subjects: | T Technology > TS Manufactures | |||||||||
Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | |||||||||
SWORD Depositor: | Library Publications Router | |||||||||
Library of Congress Subject Headings (LCSH): | Laser welding, Aluminum alloys, Manufacturing processes -- Automation, Fluid dynamics -- Mathematical models, Numerical analysis -- Simulation methods, Heat -- Transmission, Transport theory -- Mathematical models | |||||||||
Journal or Publication Title: | The International Journal of Advanced Manufacturing Technology | |||||||||
Publisher: | Springer-Verlag | |||||||||
ISSN: | 0268-3768 | |||||||||
Official Date: | February 2023 | |||||||||
Dates: |
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Volume: | 124 | |||||||||
Number: | 10 | |||||||||
Page Range: | pp. 3311-3325 | |||||||||
DOI: | 10.1007/s00170-022-10623-3 | |||||||||
Status: | Peer Reviewed | |||||||||
Publication Status: | Published | |||||||||
Access rights to Published version: | Open Access (Creative Commons) | |||||||||
Date of first compliant deposit: | 21 August 2023 | |||||||||
Date of first compliant Open Access: | 22 August 2023 | |||||||||
RIOXX Funder/Project Grant: |
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