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      Thermo-Mechanical Simulation of Temperature Distribution and Prediction of Heat-Affected Zone Size in MIG Welding Process on Aluminium Alloy EN AW 6082-T6

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      IOP Conference Series: Materials Science and Engineering
      IOP Publishing

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          Abstract

          Welding process is considered as a thermal-mechanical-metallurgical coupled problem. In this study, finite element method (FEM) is adopted for predicting the temperature history in Metal Inert Gas (MIG) welding of 5mm thick aluminium 6082 alloy. The Goldak’s double ellipsoidal moving heat source model was used to analyse the influence of peak temperature to the radial distance from the center of the heat source and the thickness of the plate. Temperature-dependent thermal properties of aluminium alloy 6082 in T6 condition and the convective and radiative boundary conditions were included in the model. The finite element code, ANSYS along with APDL command subroutines was employed to obtain the numerical results. The effect of heat input and welding speed on the weld pool shape and temperature distribution were investigated. Finally, the predicted temperature distribution and the size of heat-affected zone were compared with the experimental results. The comparison shows that they are in good agreement.

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          A new finite element model for welding heat sources

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            Thermal efficiency of arc welding processes

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              Measuring the process efficiency of controlled gas metal arc welding processes

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                Author and article information

                Journal
                IOP Conference Series: Materials Science and Engineering
                IOP Conf. Ser.: Mater. Sci. Eng.
                IOP Publishing
                1757-8981
                1757-899X
                June 01 2019
                June 01 2019
                : 530
                : 1
                : 012016
                Article
                10.1088/1757-899X/530/1/012016
                7daffafa-7d11-4cd9-b020-6d945ee69898
                © 2019

                http://creativecommons.org/licenses/by/3.0/

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