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Table 9 Parameter optimization results (C3)

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

SFFXYSFFZSFMXY
0.025.95 × 10−74.11 × 10−7
DEFXYDEFZDEMXY
2.46 × 10−61.92 × 10−61.04 × 10−6
TEFXYTEFZTEMXY
1.17 × 10−63.28 × 10−67.06 × 10−7