Please use this identifier to cite or link to this item: http://hdl.handle.net/1942/14489
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dc.contributor.authorGawad, J.-
dc.contributor.authorVAN BAEL, Albert-
dc.contributor.authorEyckens, P.-
dc.contributor.authorSamaey, G.-
dc.contributor.authorVan Houtte, P.-
dc.contributor.authorRoose, D.-
dc.date.accessioned2013-01-03T09:23:28Z-
dc.date.available2013-01-03T09:23:28Z-
dc.date.issued2013-
dc.identifier.citationCOMPUTATIONAL MATERIALS SCIENCE, 66, p. 65-83-
dc.identifier.issn0927-0256-
dc.identifier.urihttp://hdl.handle.net/1942/14489-
dc.description.abstractIn this paper we present a Hierarchical Multi-Scale (HMS) model of coupled evolutions of crystallographic texture and plastic anisotropy in plastic forming of polycrystalline metallic alloys. The model exploits the Finite Element formulation to describe the macroscopic deformation of the material. Anisotropy of the plastic properties is derived from a physics-based polycrystalline plasticity micro-scale model by means of virtual experiments. The homogenized micro-scale stress response given by the micro-scale model is approximated by an analytical plastic potential function. The methods to reconstruct the plastic potential upon a sufficient change of the crystallographic texture are discussed. A dedicated stress integration scheme is elaborated to utilize the hierarchy of the models. Cup drawing from circular blanks is considered as an example of sheet forming process. The results from the HMS simulations with updating of texture and anisotropy are compared to the outcomes of the FE model assuming constant anisotropy. Experimental verification of the HMS model is provided for two steel grades and one aluminum alloy. An assessment of the texture evolution calculated by the HMS model reveals very high reliability of the predictions. Macroscopic cup profiles obtained by the HMS model show good agreement with the experiment. A substantial improvement of the predicted cup profile is found for one of the investigated steels. The origin of this enhancement is discussed in the context of evolving plastic anisotropy.-
dc.description.sponsorshipThe authors gratefully acknowledge the financial support from the Project IDO/08/09, funded by KU Leuven, and from the Inter-university Attraction Poles Program from the Belgian State through the Belgian Science Policy agency, Contracts IAP6/24 and IAP6/4. They also thank the companies Tata Steel, ArcelorMittal and Aleris for the sheet materials and cup drawing experiments. Special thanks to Hans Mulder (Tata Steel) for his help in the cup drawing experiments. GS is Postdoctoral Fellow of the Research Foundation-Flanders (FWO). Research of PE, affiliated to the Materials Innovation Institute (M2i), was carried out under the Project No. M41.2.08307a/M41.10.08307b in the framework of the Research Program of M2i (www.m2i.nl). JG acknowledges financial support from MNiSW Project No. N N508 593739.-
dc.language.isoen-
dc.publisherELSEVIER SCIENCE BV-
dc.subject.otherHierarchical multi-scale modeling; Texture evolution; Plastic anisotropy; Plastic potential; Multilevel model; Sheet forming; Parameter identification-
dc.subject.otherMaterials Science, Multidisciplinary; hierarchical multi-scale modeling; texture evolution; plastic anisotropy; plastic potential; multilevel model; sheet forming; parameter identification-
dc.titleHierarchical multi-scale modeling of texture induced plastic anisotropy in sheet forming-
dc.typeJournal Contribution-
dc.identifier.epage83-
dc.identifier.spage65-
dc.identifier.volume66-
local.format.pages19-
local.bibliographicCitation.jcatA1-
dc.description.notesGawad, J (reprint author), [Gawad, J.; Samaey, G.; Roose, D.] Katholieke Univ Leuven, Dept Comp Sci, B-3001 Louvain, Belgium. [Gawad, J.] AGH Univ Sci & Technol, Dept Appl Comp Sci & Modeling, PL-30059 Krakow, Poland. [Van Bael, A.; Eyckens, P.; Van Houtte, P.] Katholieke Univ Leuven, Dept Met & Mat Engn, B-3001 Louvain, Belgium. [Van Bael, A.] Limburg Catholic Univ Coll KHLim, Dept IWT, B-3590 Diepenbeek, Belgium. jerzy.gawad@cs.kuleuven.be-
local.publisher.placeAMSTERDAM-
local.type.refereedRefereed-
local.type.specifiedArticle-
dc.identifier.doi10.1016/j.commatsci.2012.05.056-
dc.identifier.isi000311343400008-
item.fulltextWith Fulltext-
item.contributorVAN BAEL, Albert-
item.contributorEyckens, P.-
item.contributorVan Houtte, P.-
item.contributorGawad, J.-
item.contributorSamaey, G.-
item.contributorRoose, D.-
item.fullcitationGawad, J.; VAN BAEL, Albert; Eyckens, P.; Samaey, G.; Van Houtte, P. & Roose, D. (2013) Hierarchical multi-scale modeling of texture induced plastic anisotropy in sheet forming. In: COMPUTATIONAL MATERIALS SCIENCE, 66, p. 65-83.-
item.accessRightsRestricted Access-
crisitem.journal.issn0927-0256-
crisitem.journal.eissn1879-0801-
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