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Investigation of temperature and residual stresses field of submerged arc welding by finite element method and experiments

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journal contribution
posted on 22.03.2016, 10:14 by M.R. Nezamdost, Mohammadreza Nekouie Esfahani, S.H. Hashemi, S.A. Mirbozorgi
This article reports on a numerical and experimental investigation to understand and improve computer methods in application of the Goldak model for predicting thermal distribution in submerged arc welding (SAW) of APIX65 pipeline steel. Accurate prediction of the thermal cycle and residual stresses will enable control of the fusion zone geometry, microstructure, and mechanical properties of the SAW joint. In this study, a new Goldak heat source distribution model for SAW is presented first. Both 2D and 3D finite element models are developed using the solution of heat transfer equations in ABAQUS Standard implicit. The obtained results proved that the 2D axi-symmetric model can be effectively employed to simulate the thermal cycles and the welding residual stresses for the test steel. As compared to the 3D analysis, the 2D model significantly reduced the time and cost of the FE computation. The numerical accuracy of the predicted fusion zone geometry is compared to the experimentally obtained values for bead-on-plate welds. The predictions given by the present model were found to be in good agreement with experimental measurements.



  • Mechanical, Electrical and Manufacturing Engineering

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The International Journal of Advanced Manufacturing Technology


NEZAMDOST, M.R. ... et al., 2016. Investigation of temperature and residual stresses field of submerged arc welding by finite element method and experiments. International Journal of Advanced Manufacturing Technology, DOI: 10.1007/s00170-016-8509-4.


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