Determining Optimum Butt-Welding Parameters of 304 Stainless-Steel Plates Using Finite Element, Particle Swarm and Artificial Neural Network

Mohammadi, Masoud; Golabi, Sa’id; Amirsalari, Behzad

doi:10.1007/s40997-020-00394-1

Cited by 2 publications

(1 citation statement)

References 27 publications

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“…Simulation software ABAQUS 6.6-3, ANSYS/EMAG, SYSWELD, and MARC are widely used to predict the thermal effects, mechanical behavior, and plastic deformation in the welding process, where the thermomechanical coupling calculation method of ABAQUS can more accurately simulate the mechanical properties of the workpiece and more easily edit the material properties and optimize the operation process through the script language [36][37][38][39]. The prediction experiment establishes two ABAQUS simulation models with the actual weld's exact dimensions.…”

Section: Abaqus Simulationmentioning

confidence: 99%

The Different Welding Layers and Heat Source Energy on Residual Stresses in Swing Arc Narrow Gap MAG Welding

Fang

Zhang

et al. 2023

Materials

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In this paper, in order to reduce the time cost of prediction experiments in industry, a new narrow gap oscillation calculation method is developed in ABAQUS thermomechanical coupling analysis to study the distribution trend of residual weld stresses in comparison with conventional multi-layer welding processes. The blind hole detection technique and thermocouple measurement method verify the reliability of the prediction experiment. The results show that the experimental and simulation results have a high degree of agreement. In the prediction experiments, the calculation time of the high-energy single-layer welding experiments is 1/4 of the traditional multi-layer welding. Two welding processes of longitudinal residual stress and transverse residual stress distribution trends are the same. The high-energy single-layer welding experiment stress distribution range and transverse residual stress peak are smaller, but the longitudinal residual stress peak is slightly higher, which can be effectively reduced by increasing the preheating temperature of the welded parts. This implies that in the specific case of increasing the initial temperature of the workpiece, the use of high-energy single-layer welding instead of multi-layer welding to study the residual stress distribution trend not only optimizes the weld quality but also reduces the time cost to a large extent.

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Section: Abaqus Simulationmentioning

confidence: 99%