Abstract
This paper presents an investigation of the multi-pass bead-on-plate welding sequence modeled and simulated using thermal-elastic-plastic approach with Ferritic stainless steel UNS40900 (FSS) as specimen material. The welding simulation was considered as a sequential coupled structural/thermal analysis. A sequentially coupled structural/thermal analysis is the combination of analysis from different engineering disciplines which interact to solve a global engineering problem i.e. welding performed using ANSYS software. To validate the software results, a series of experiments was conducted with three different welding sequences using Shielded metal arc welding (SMAW). It was established based on the results that the experimental results show decent agreement with thermo-elastic-plastic 3D FEM analysis. The objective of this work is to compare the experimentally obtained weld bead geometry of FSS material with simulated results from ANSYS software for various weld parameters.
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