Abstract
The Rousselier model has been used in the literature to model ductile failure of plastic materials. An extension of the Rousselier model to account for strain rate and temperature dependence is proposed in this work. The model is based on the definition of an effective scalar stress which depends on the porosity. Tests carried out on tensile round notched bars are used to validate the model after which it is applied to simulate the Charpy test.
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Tanguy, B., Besson, J. An extension of the Rousselier model to viscoplastic temperature dependent materials. International Journal of Fracture 116, 81–101 (2002). https://doi.org/10.1023/A:1020192527733
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DOI: https://doi.org/10.1023/A:1020192527733