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Table 2 Fitting parameters of Hollomon model for substrate materials

From: Prediction of Cross-Tension Strength of Self-Piercing Riveted Joints Using Finite Element Simulation and XGBoost Algorithm

Material grade CR590 S-6000-IH AA6022-T4 AA5754-O
K (MPa) 999.4 390.0 449.6 448.5
n 0.17 0.21 0.18 0.29