Identification of Anisotropic Yield Criterion Parameters from a Single Biaxial Tensile Test - Archive ouverte HAL Accéder directement au contenu
Communication Dans Un Congrès Key Engineering Materials Année : 2014

Identification of Anisotropic Yield Criterion Parameters from a Single Biaxial Tensile Test

Résumé

The present work deals with the calibration strategy of yield functions used to describe the plastic anisotropic behavior of metallic sheets. In this paper, Bron and Besson yield criterion is used to model the plastic anisotropic behavior of AA5086 sheets. This yield model is flexible enough since the anisotropy is represented by 12 parameters (4 isotropic parameters and 8 anisotropic parameters in plane stress condition) in the form of two linear fourth order transformation tensors. The parameters of this anisotropic yield model have been identified from a single dedicated cross biaxial tensile test. It is shown, from finite element simulations, that the strain distribution in the center of the cruciform specimen is significantly dependent on the yield criterion. Moreover, this cross biaxial test involves a large range of strain paths in the center of the specimen. The calibration stage is performed by means of an optimization procedure minimizing the gap between experimental and numerical values of the principal strains along a specified path in the gauge area of the cruciform specimen. It is shown that the material parameters of Bron and Besson anisotropic yield model can be determined accurately by a unique biaxial tensile test.
Fichier principal
Vignette du fichier
2014-ESAFORM2014-Zhang_et_al_Version_difusee_.pdf (597.09 Ko) Télécharger le fichier
Origine : Fichiers produits par l'(les) auteur(s)
Loading...

Dates et versions

hal-00992888 , version 1 (19-05-2014)

Identifiants

Citer

Shunying Zhang, Lionel Leotoing, Dominique Guines, Sandrine Thuillier. Identification of Anisotropic Yield Criterion Parameters from a Single Biaxial Tensile Test. ESAFORM 2014, May 2014, Espoo, Finland. pp.1710-1717, ⟨10.4028/www.scientific.net/KEM.611-612.1710⟩. ⟨hal-00992888⟩
323 Consultations
700 Téléchargements

Altmetric

Partager

Gmail Facebook X LinkedIn More