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Table 4 Welding nugget diameters and chamfer circle radius of specimens

From: Structural Stress–Fatigue Life Curve Improvement of Spot Welding Based on Quasi-Newton Method

Specimen thicknesses t (mm)Welding nugget diameter Φd (mm)Chamfer circle radius R (mm)
t1t2R1R2
0.81.24.54.04.0
0.82.54.54.05.0
1.51.56.04.04.0
1.52.06.04.05.0
2.02.06.05.05.0