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Article: The effect of a deformation banding criterion on simulated b.c.c. rolling textures

TitleThe effect of a deformation banding criterion on simulated b.c.c. rolling textures
Authors
KeywordsBcc Rolling Texture
Computer Simulation
Deformation Banding
Issue Date1998
PublisherTrans Tech Publications Ltd. The Journal's web site is located at http://www.scientific.net
Citation
Materials Science Forum, 1998, v. 273-275, p. 291-298 How to Cite?
AbstractDeformation Banding (DB) in cold rolled mild steel has been experimentally established by microstructure investigation and mis-orientation analysis using EBSP. Clearly this deformation banding mode must be included in modelling the deformation texture, and this has been attempted. The cause of deformation banding in all DB models is the reduction of the total work for plastic deformation through a relaxation of the deformation constraints. In the first DB model, all grains are assumed to band from the first deformation step. Such an unrealistic assumption has been eliminated in the new model by the introduction of a banding criterion which states that deformation will occur only if the energy for normal slip involved in the DB model is less than that for the RC model. The computer grains firstly deform according to conventional RC model before the DB criterion is satisfied and then deform according to DB model after the criterion is met at a specific step. If the ratio of critical resolved shear stresses for {110} and {112} slip planes is set at unity, the model overpopulates {111}〈110〉 component, but when the ratio is set at 0.85:1.0, the resulting ODF is closer to the measured textures.
Persistent Identifierhttp://hdl.handle.net/10722/174051
ISSN
2005 Impact Factor: 0.399
References

 

DC FieldValueLanguage
dc.contributor.authorDuggan, BJen_US
dc.contributor.authorLiu, GLen_US
dc.contributor.authorZhang, LXen_US
dc.date.accessioned2012-11-14T06:20:25Z-
dc.date.available2012-11-14T06:20:25Z-
dc.date.issued1998en_US
dc.identifier.citationMaterials Science Forum, 1998, v. 273-275, p. 291-298en_US
dc.identifier.issn0255-5476en_US
dc.identifier.urihttp://hdl.handle.net/10722/174051-
dc.description.abstractDeformation Banding (DB) in cold rolled mild steel has been experimentally established by microstructure investigation and mis-orientation analysis using EBSP. Clearly this deformation banding mode must be included in modelling the deformation texture, and this has been attempted. The cause of deformation banding in all DB models is the reduction of the total work for plastic deformation through a relaxation of the deformation constraints. In the first DB model, all grains are assumed to band from the first deformation step. Such an unrealistic assumption has been eliminated in the new model by the introduction of a banding criterion which states that deformation will occur only if the energy for normal slip involved in the DB model is less than that for the RC model. The computer grains firstly deform according to conventional RC model before the DB criterion is satisfied and then deform according to DB model after the criterion is met at a specific step. If the ratio of critical resolved shear stresses for {110} and {112} slip planes is set at unity, the model overpopulates {111}〈110〉 component, but when the ratio is set at 0.85:1.0, the resulting ODF is closer to the measured textures.en_US
dc.languageengen_US
dc.publisherTrans Tech Publications Ltd. The Journal's web site is located at http://www.scientific.neten_US
dc.relation.ispartofMaterials Science Forumen_US
dc.subjectBcc Rolling Textureen_US
dc.subjectComputer Simulationen_US
dc.subjectDeformation Bandingen_US
dc.titleThe effect of a deformation banding criterion on simulated b.c.c. rolling texturesen_US
dc.typeArticleen_US
dc.identifier.emailDuggan, BJ: bjduggan@hkucc.hku.hken_US
dc.identifier.authorityDuggan, BJ=rp01686en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.scopuseid_2-s2.0-0031699740en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0031699740&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume273-275en_US
dc.identifier.spage291en_US
dc.identifier.epage298en_US
dc.publisher.placeSwitzerlanden_US
dc.identifier.scopusauthoridDuggan, BJ=7005772998en_US
dc.identifier.scopusauthoridLiu, GL=7501460279en_US
dc.identifier.scopusauthoridZhang, LX=9740344900en_US

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