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Numerical Simulation of the Influence of Laser Power on the Temperature Distribution during Dissimilar Welding of Ti-Al Alloy Plates

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Abstract:

The paper deals with the design and testing of laser power for laser beam welding of titanium Grade 2 and EN AW 5754 aluminium alloy plates. Transient temperature fields during formation of dissimilar butt joints of Ti-Al alloy plates were investigated by FEM simulation using the program code ANSYS. Moving Gaussian volumetric heat source was applied to model the heat input to the weld. The influence of laser power on the temperature distribution in welded materials and parameters of the weld pool were evaluated. Based on the results of numerical simulation, the suitable laser power was suggested for the real experiments of Ti–Al dissimilar laser welding using the TruDisk 4002 disk laser.

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Periodical:

Applied Mechanics and Materials (Volume 826)

Pages:

77-81

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.826.77

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Online since:

February 2016

Authors:

Eva Babalová*, Mária Behúlová

Keywords:

ANSYS, FEM, Laser Power, Numerical Simulation, Temperature Field, Ti-Al Weld Joint

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© 2016 Trans Tech Publications Ltd. All Rights Reserved

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