Comparison of different approaches to transformation-induced plasticity in steel

Transformation-induced plasticity (TRIP) is an important phenomenon of material behaviour of steel. It may lead to distortion of work-pieces. As there are open questions in modelling and simulation, TRIP is an important field of current research. There are different modelling approaches. The well-known Leblond model is implemented in the commercial program SYSTUS (SYSWELD)(R). New experiments and investigations show that there are interaction effects between TRIP and classical plasticity which cannot be described by the Leblond model. In this contribution, we compare the Leblond model with an alternative approach, discussing advantages and deficiencies. Moreover, we present some first comparative simulations in 3d settings.