Modeling of plasticity-induced martensitic transformation to achieve hierarchical, heterogeneous, and tailored microstructures in stainless steels

While stainless steels (SS) have excellent corrosion resistance for use in industries such as chemical and food processing, medical implants made of require more stringent specifications, e.g., high strength while maintaining a low weight. A way to design manufacture behavior SS is through the intentional deformation induced manipulation constituent phases achieve heterogeneous hierarchical microstructures. In this paper, an elasto-plastic self-consistent modeling framework incorporating strain-induced austenite-to-martensite transformation kinetic sub-model calibrated using set SS304L data from literature capture stress-strain response volume fraction phases. The model then validated by predicting mechanical responses SS316L new recorded function strain-rate temperature. By accurately material behavior, results can guide manufacturing process desired final part properties.