About this Abstract |
| Meeting |
2026 TMS Annual Meeting & Exhibition
|
| Symposium
|
Advanced Characterization Techniques for Quantifying and Modeling Deformation
|
| Presentation Title |
Elasto-Visco-Plastic Modeling of Dual Phase Steel |
| Author(s) |
Carlos N. Tome, Anirban Patra, Youngung Jeong |
| On-Site Speaker (Planned) |
Carlos N. Tome |
| Abstract Scope |
A crystallographic elasto-visco-plastic self-consistent (EVPSC) constitutive model is used to simulate the deformation of several DP steels, ranging from DP590 to DP980. A dislocation-density-based model, which accounts for the constitutive behavior of the individual ferrite and martensite phases and for the intragranular distribution of stress, was used to calculate yield surface evolution with strain. A user material subroutine of the EVPSC model, which interfaces with the finite element solver (ABAQUS), is used to predict the stress response of notched tensile specimens. Predictions are compared with available experimental information. The role played by elasticity and the validity of the associated flow rule, stating that yield locus and plastic potential coincide, are discussed. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Other, Characterization, Modeling and Simulation |