Abstract
This paper presents a method to measure and calculate residual stress in A36 steel after submerged arc welding. Finite element method is used to simulate the welding process; results are compared with experimental data. After depositing beads on rectangular blocks, wire electrical discharge machining was used to section a steel block and welding bead in three orthogonal directions. The deformed surfaces due to releasing of residual stresses were measured using a precise 3D optical technique. The surface topography was used as boundary conditions in finite element to calculate the resulting residual stresses. The residual stress profiles from experiments and simulation were about 10% in agreement.
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