K-0336 Computational Simulation of Impact Deformation Behavior of TRIP Steel by Dynamic- Explicit Elasto-Viscoplastic FEM

Abstract

Recently, the low alloy and high strength steel which improved TRIP steel is developed. Its application for the impact absorbing parts of an automobile is considered. However, the effect of strain-induced martensitic transformation on the impact energy absorbing characteristics of TRIP steel is still unclear. Here, the impact energy absorbing characteristics of TRIP steel and the influence of strain-induced martensitic transformation on the impact deformation behavior are evaluated by dynamic-explicit elasto-viscoplastic FEM.