In the present research, a parametric study in Resistance Spot Welding (RSW) of thin AISI
1008 steel sheets is investigated via FEM. All the time steps through the RSW process,
including squeeze time, welding time, holding time and cooling time are taken into account.
First, the effects of various parameters such as electrical current, welding time and electrode
tip diameter are investigated in the nugget geometry. Then, a time history stress diagram
and residual stresses are obtained in RSW weldment. FEM results are validated very well
by some experiments which were performed in two parts of nugget geometry and residual
stresses.
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