[Retracted] Characterization and Parametric Optimization of EN-10149-2 Steel Welded Joints Made by MIG Welding
Table 18
Compression between actual (experimental value) and theoretical (expected value) values of tensile strength, hardness of weld zone, and hardness of HAZ.
Optimum parametric condition obtained by Taguchi method
Maximum tensile strength obtained by confirmatory test
Prediction for parametric optimization by Taguchi method
% error
Current
65 A
765 MPa
780 MPa
0.5%
Voltage
18 V
Speed
4 mm/s
Optimum parametric condition obtained by Taguchi method
Maximum hardness of weld zone obtained by confirmatory test
Prediction for parametric optimization by Taguchi method
% error
Current
70 A
150 HVN
157.38 HVN
0.38%
Voltage
18 V
Speed
6 mm/s
Optimum parametric condition obtained by Taguchi method
Maximum hardness of HAZ obtained by confirmatory test
Prediction for parametric optimization by Taguchi method
