Accéder directement au contenu Accéder directement à la navigation
Article dans une revue

A yield function for single crystals containing voids

Abstract : A yield function for single crystals containing voids has been developed based on a variational approach. This first yield function is phenomenologically extended by modifying the dependence on the mean stress and introducing three adjustable parameters. Unit cell finite element calculations are performed for various stress triaxiality ratios, main loading directions and porosity levels in the case of a perfectly plastic FCC single crystal. The three model parameters are adjusted on the unit cell calculations so that a very good agreement between simulation results and the proposed model is obtained.
Type de document :
Article dans une revue
Liste complète des métadonnées
Contributeur : Bibliothèque Umr7633 <>
Soumis le : jeudi 2 août 2018 - 14:47:46
Dernière modification le : jeudi 24 septembre 2020 - 18:30:04

Lien texte intégral



Xu Han, Jacques Besson, Samuel Forest, Benoit Tanguy, Stéphane Bugat. A yield function for single crystals containing voids. International Journal of Solids and Structures, Elsevier, 2013, 50 (14-15), pp.2115-2131. ⟨10.1016/j.ijsolstr.2013.02.005⟩. ⟨hal-00830364⟩



Consultations de la notice