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dc.contributor.author
 hal.structure.identifier
PIPARD, Jean-Marc
178323 Laboratoire d'Etude des Microstructures et de Mécanique des Matériaux [LEM3]
dc.contributor.author
 hal.structure.identifier
BALAN, Tudor
178323 Laboratoire d'Etude des Microstructures et de Mécanique des Matériaux [LEM3]
dc.contributor.author
 hal.structure.identifier
ABED-MERAIM, Farid
178323 Laboratoire d'Etude des Microstructures et de Mécanique des Matériaux [LEM3]
dc.contributor.author
 hal.structure.identifier
LEMOINE, Xavier
178323 Laboratoire d'Etude des Microstructures et de Mécanique des Matériaux [LEM3]
dc.date.accessioned2015
dc.date.available2015
dc.date.issued2013
dc.date.submitted2015
dc.identifier.issn0020-7683
dc.identifier.urihttp://hdl.handle.net/10985/9906
dc.description.abstractA physically based elasto-visco-plastic constitutive model is presented and compared to experimental results for three different mild steels. The experiments consist of tensile tests ranging from quasi-static conditions up to strain rates of 103 s-1 as well as quasi-static simple and reverse shear tests at different amounts of pre-strain. Additional two-step sequential mechanical tests (Bauschinger and orthogonal effects) have been performed to further evaluate the ability of the model to describe strain-path changes at moderate/large strains. The model requires significantly fewer material parameters compared to other visco-plasticity models from the literature, while being able to describe some of the main features of the strain-rate sensitivity of mild steels. Accordingly, the parameter identification is simple and intuitive, requiring a relatively small set of experiments. The strain-rate sensitivity modeling is not restricted to a particular hardening law and thus provides a general framework in which advanced hardening equations can be adopted.
dc.description.sponsorshipContrat ArcelorMittal
dc.language.isoen
dc.publisherElsevier
dc.rightsPost-print
dc.subjectConstitutive behavior
dc.subjectVisco-plasticity
dc.subjectMicrostructure-related parameters
dc.subjectMild steel
dc.subjectFinite element simulation
dc.titleElasto-visco-plastic modeling of mild steels for sheet forming applications over a large range of strain rates
dc.identifier.doi10.1016/j.ijsolstr.2013.04.022
dc.typdocArticle dans une revue avec comité de lecture
dc.localisationCentre de Metz
dc.subject.halSciences de l'ingénieur: Mécanique: Mécanique des matériaux
ensam.audienceInternationale
ensam.page2691–2700
ensam.journalInternational Journal of Solids and Structures
ensam.volume50
ensam.issue16-17
hal.identifierhal-01192735
hal.version1
hal.statusaccept


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