Constitutive model for flake graphite cast iron automotive brake discs: induced anisotropic damage model under complex loadings

Abstract : The present paper details an elasto-viscoplastic constitutive model for automotive brake discs made of flake graphite cast iron. In a companion paper, the authors proposed a one-dimensional setting appropriate for representing the complex behavior of the material (i.e. asymmetry between tensile and compres-sive loadings) under anisothermal conditions. The generalization of this 1D model to 3D cases on a volume element and the associated challenges are addressed. A direct transposition is not possible and an alternative solution without unilateral conditions is first proposed. Induced anisotropic damage and associated consti-tutive laws are then introduced. The transition from the volume element to the real structure and the numerical implementation requires a specific basis change. Brake disc simulations with this constitutive model show that unilateral conditions are needed for the friction bands. A damage deactivation procedure is therefore defined.
Type de document :
Article dans une revue
Continuum Mechanics and Thermodynamics, Springer Verlag, 2016, 28, pp.1445 - 1460. 〈10.1007/s00161-015-0487-5〉
Liste complète des métadonnées

Littérature citée [37 références]  Voir  Masquer  Télécharger

https://hal.archives-ouvertes.fr/hal-01383893
Contributeur : François Hild <>
Soumis le : mercredi 19 octobre 2016 - 13:18:23
Dernière modification le : jeudi 11 janvier 2018 - 06:25:46

Fichier

CMT2016-ccsd.pdf
Fichiers produits par l'(les) auteur(s)

Identifiants

Citation

L Augustins, René Billardon, François Hild. Constitutive model for flake graphite cast iron automotive brake discs: induced anisotropic damage model under complex loadings. Continuum Mechanics and Thermodynamics, Springer Verlag, 2016, 28, pp.1445 - 1460. 〈10.1007/s00161-015-0487-5〉. 〈hal-01383893〉

Partager

Métriques

Consultations de la notice

100

Téléchargements de fichiers

112