About this Abstract |
| Meeting |
2026 TMS Annual Meeting & Exhibition
|
| Symposium
|
High Performance Steels
|
| Presentation Title |
Computational Modeling Adiabatic Shear Banding of Quenched & Tempered Martensitic Steel |
| Author(s) |
Curt A. Bronkhorst, Raymond Rasmussen, Janith Wanni, Dan Thoma, Stephen Yang, Samuel Dunham, Charles Adkins |
| On-Site Speaker (Planned) |
Curt A. Bronkhorst |
| Abstract Scope |
Adiabatic shear banding is a form of ductile damage where the relationship between plastic work and material temperature is critical. We present a new physical model for the plastic deformation of metallic materials which accounts for softening due to increased dislocation mobility with heating and dynamic recrystallization which also predicts an evolving Taylor-Quinney factor with material state. This is used within a non-local computational framework for adiabatic shear banding which explicitly represents the shear zone by a weak form embedded displacement discontinuity region. Results of dynamic forced shear experiments of a quenched and tempered martensitic steel are presented which clearly form adiabatic shear bands. The theory and computational framework are used to simulate the forced shear experiments whose results are directly compared against the experiments. The results suggest likely structural evolution of the material during the adiabatic shear banding process and mechanistic insights will be discussed. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Modeling and Simulation, Mechanical Properties, ICME |