dc.creator | Papatriantafillou, I. | en |
dc.creator | Aravas, N. | en |
dc.date.accessioned | 2015-11-23T10:44:31Z | |
dc.date.available | 2015-11-23T10:44:31Z | |
dc.date.issued | 2004 | |
dc.identifier.isbn | 960881040X | |
dc.identifier.uri | http://hdl.handle.net/11615/31956 | |
dc.description.abstract | In this paper, a constitutive model that describes the mechanical behavior of steels exhibiting the "Transformation Induced Plasticity" (TRIP) phenomenon during martensitic transformation is presented. Multiphase TRIP steels are considered as composite materials with a ferritic matrix containing bainite and retained austenite, which gradually transforms into martensite. The effective properties and overall behavior of TRIP steels are determined by using homogenization techniques for non-linear composites. The developed model considers the different hardening behavior of the individual phases and estimates the apportionment of plastic strain and stress between the individual phases of the composite. A methodology for the numerical integration of the resulting elastoplastic constitutive equations in the context of the finite element method is developed and the constitutive model is implemented in a general-purpose finite element program. The prediction of the model in uniaxial tension agree well with the experimental data. The problem of necking of a bar is studied in detail. | en |
dc.source.uri | http://www.scopus.com/inward/record.url?eid=2-s2.0-6344231525&partnerID=40&md5=0bc85776a72ac8013c332d61829d0621 | |
dc.subject | Computational model | en |
dc.subject | Constitutive equations | en |
dc.subject | Strain-induced martensitic transformation | en |
dc.subject | TRIP steel | en |
dc.subject | Austenite | en |
dc.subject | Computer simulation | en |
dc.subject | Elastoplasticity | en |
dc.subject | Finite element method | en |
dc.subject | Martensitic transformations | en |
dc.subject | Plastic deformation | en |
dc.subject | Plasticity | en |
dc.subject | Strain | en |
dc.subject | Stresses | en |
dc.subject | Computational models | en |
dc.subject | Transformation induced plasticity (TRIP) steel | en |
dc.subject | Steel | en |
dc.title | Finite element modeling of trip steels | en |
dc.type | conferenceItem | en |