An investigation of the mechanics of roller burnishing through finite element simulation and experiments

P Balland, L Tabourot, F Degre, V Moreau - International Journal of …, 2013 - Elsevier
Roller burnishing is a surface treatment process that is of particular economic interest but not
really well optimised. Due to a necessarily high degree of mesh refinement, until now the …

Influence of heterogeneities introduced into the modelling of a ring compression test

L Bizet, L Charleux, P Balland, L Tabourot - Archives of Civil and …, 2017 - Springer
This paper analyses the influence of heterogeneities introduced into the constitutive model
of Aluminium alloy 6060. Two types of modelling are hereby presented: a standard phenom …

Prediction of flow stress and surface roughness of stainless steel sheets considering an inhomogeneous microstructure

CH Pham, S Thuillier, PY Manach - Materials Science and Engineering: A, 2016 - Elsevier
The aim of this study is to model the mechanical behavior of ultra-thin sheets of stainless
steel taking into account the heterogeneous distribution of the mechanical properties of the …

Constitutive modelling effect on the numerical prediction of springback due to a stretch-bending test applied on titanium T40 alloy

A Maati, L Tabourot, P Balland, EH Ouakdi… - Archives of Civil and …, 2015 - Springer
Nowadays, numerical simulation by finite element analysis is an essential tool that allows
performing virtually sheet metal forming processes, and therefore to reproduce various …

Numerical study of the impact of constitutive modelling on the evolution of necking in the case of a tensile test on C68 grade steel

L Tabourot, P Balland, NA Sène, M Vautrot… - Key Engineering …, 2014 - Trans Tech Publ
This article deals with numerical simulation of necking. It draws the attention onto the
importance of the description of strain-hardening and the effects on the evolution of necking …

Dependency of the Young's modulus to plastic strain in DP steels: A consequence of heterogeneity?

L Charleux, L Tabourot, E Roux, MI Farah… - Materials Today …, 2020 - Elsevier
The accurate springback prediction of dual phase (DP) steels has been reported as a major
challenge. It was demonstrated that this was due to the lack of understanding of their …

Modélisation du comportement élasto-plastique des tôles par un modèle compartimenté

L Tabourot, P Balland, L Bizet, A Maati… - 11e colloque national en …, 2013 - hal.science
Cet article a pour but de montrer que les incertitudes liées à la caractérisation du
comportement élastique peuvent entraîner des variations significatives des résultats de …

Characterization and modeling of the elastic behavior of a XC68 grade steel used at high strain rates and high temperatures

L Tabourot, P Balland, M Vautrot… - Key Engineering …, 2013 - Trans Tech Publ
This article discusses the characterization and modeling of the elastic behavior of a semi-
hard steel used in incremental forming operations which implies great loading speeds at …

An original prediction of localisation during tensile and biaxial expansion tests on copper by the compartmentalized model

NA Sene, P Balland, L Tabourot, M Vautrot… - AIP Conference …, 2016 - pubs.aip.org
This paper aims to show that necking in metallic sheets subjected to forming operations
strongly depends on intrinsic heterogeneity factors of the material. This study is applied to …

Caractérisation et modélisation du comportement thermomécanique des matériaux métalliques: vers la prise en compte des hétérogénéités micro-structurales …

L Bizet - 2016 - theses.hal.science
La prédiction de la géométrie d'une pièce mise en forme par déformation plastique grâce à
un logiciel de calcul par éléments finis (EF) s' effectue en suivant séquentiellement …