A dislocation-based constitutive model for cold rolling simulation

Key Points

• The model captures nonlinear hardening behavior under complex loading conditions, ensuring numerical stability and efficiency.
• Highly accurate predictions align with experimental data, demonstrating robust performance in various stress states.
• Numerical simulation reveals significant plastic deformation gradients due to varying stress states across thickness.
• Multistage rolling processes optimize the distribution of residual stress, improving overall mechanical properties.

Abstract