An Energy Approach Applied to Define Elasto-Plastic Constitutive Models Describing Thermomechanical Metallic Materials Behavior During Forming Processes

  • Gavrus Adinel National Institute of Applied Sciences of Rennes

Résumé

A new formalism for the definition of metallic materials constitutive laws expressing the
stress as a function of the plastic deformation energy it is proposed. This new approach, called energy
approach, can integrate physical mechanisms governing the microstructure changes during a plastic
deformation. It is also important to emphasize that the proposed energy formulation is more relevant
since it can describe physical phenomena taking place in a material forming process characterizing at
the different scales the material properties evolution. This formulation remains valid for a large field of
deformation, the whole spectrum of loading conditions and remains able to predict rigorously the
material response for all types of stresses states: static, transient or dynamic.

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Publiée
2024-03-22
Comment citer
1.
Adinel G. An Energy Approach Applied to Define Elasto-Plastic Constitutive Models Describing Thermomechanical Metallic Materials Behavior During Forming Processes. Annals of ”Dunarea de Jos” University of Galati, Fascicle V, Technologies in machine building [Internet]. 22mars2024 [cité 25août2025];40(1). Available from: https://gup.ugal.ro/ugaljournals/index.php/tmb/article/view/6748
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Articles