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A novel material model for strain rate and temperature dependent asymmetric viscoplastic deformation behavior considering transformation induced plasticity (TRIP) as a crucial phenomenon influencing the hard turning process-oriented ductility was developed. Within the framework of viscoplasticity and continuum damage mechanics, the well-established Johnson-Cook flow stress model has been upgraded...
We develop a multi‐mechanism model for strainrate‐ and temperature‐dependent asymmetric plastic material behavior accompanied by phase transformations, which are important phenomena in steel production processes. To this end the well‐known Johnson‐Cook model is extended by the concept of weighting functions, and it is combined with a model of tranformation‐induced plasticity (TRIP) based on Leblond's...
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