September 10, 2025MaterialsOpen Access

Study on the Damage Mechanisms in the Forming Process of High-Strength Steel Laser Tailor Welded Blanks Based on the Johnson–Cook Damage Model

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The analysis indicates that using the Johnson–Cook damage model effectively predicts fracture behavior during forming.
Simulation results showed that understanding stress triaxiality is crucial for predicting failure in tailor welded blanks.
Finite element analysis was employed to calibrate the damage parameters based on experimental tensile tests.
The study establishes a reliable basis for optimizing engineering design involving high-strength steel materials.

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Experimental and simulation data reveal fracture behavior in tailor welded blanks, suggesting improvements for material performance.

Sun et al. (2025) studied this question.

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