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Article: Modelling the steady state deformation stress under various deformation conditions using a single irreversible thermodynamics based formulation

TitleModelling the steady state deformation stress under various deformation conditions using a single irreversible thermodynamics based formulation
Authors
KeywordsDislocation
Dynamic recovery
Dynamic recrystallization
Flow stress
Thermodynamics
Issue Date2009
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/actamat
Citation
Acta Materialia, 2009, v. 57 n. 12, p. 3431-3438 How to Cite?
AbstractA new unified description for the steady state deformation stress in single and polycrystalline metals and for various deformation conditions is presented. The new formulation for dislocation controlled deformation stems from the field of irreversible thermodynamics. The model applies to conditions of dynamic recovery as well as dynamic recrystallization and has been validated for constant strain rate and creep loading conditions. Unlike existing approaches, the new model captures transitions between deformation mechanisms within a single formulation. For conditions of dynamic recrystallization, the average dislocation density is found to be a function of the shear strain rate and a term combining the dislocation climb velocity and the grain boundary velocity. © 2009 Acta Materialia Inc.
Persistent Identifierhttp://hdl.handle.net/10722/92884
ISSN
2015 Impact Factor: 5.058
2015 SCImago Journal Rankings: 3.683
ISI Accession Number ID
Funding AgencyGrant Number
ArcelorMittal Research
Funding Information:

The authors from TU Delft are grateful to ArcelorMittal Research for financial support.

References

 

DC FieldValueLanguage
dc.contributor.authorHuang, Men_HK
dc.contributor.authorRiveraDíazdelCastillo, PEJen_HK
dc.contributor.authorBouaziz, Oen_HK
dc.contributor.authorZwaag, Svden_HK
dc.date.accessioned2010-09-22T05:02:37Z-
dc.date.available2010-09-22T05:02:37Z-
dc.date.issued2009en_HK
dc.identifier.citationActa Materialia, 2009, v. 57 n. 12, p. 3431-3438en_HK
dc.identifier.issn1359-6454en_HK
dc.identifier.urihttp://hdl.handle.net/10722/92884-
dc.description.abstractA new unified description for the steady state deformation stress in single and polycrystalline metals and for various deformation conditions is presented. The new formulation for dislocation controlled deformation stems from the field of irreversible thermodynamics. The model applies to conditions of dynamic recovery as well as dynamic recrystallization and has been validated for constant strain rate and creep loading conditions. Unlike existing approaches, the new model captures transitions between deformation mechanisms within a single formulation. For conditions of dynamic recrystallization, the average dislocation density is found to be a function of the shear strain rate and a term combining the dislocation climb velocity and the grain boundary velocity. © 2009 Acta Materialia Inc.en_HK
dc.languageengen_HK
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/actamaten_HK
dc.relation.ispartofActa Materialiaen_HK
dc.subjectDislocationen_HK
dc.subjectDynamic recoveryen_HK
dc.subjectDynamic recrystallizationen_HK
dc.subjectFlow stressen_HK
dc.subjectThermodynamicsen_HK
dc.titleModelling the steady state deformation stress under various deformation conditions using a single irreversible thermodynamics based formulationen_HK
dc.typeArticleen_HK
dc.identifier.emailHuang, M:mxhuang@hku.hken_HK
dc.identifier.authorityHuang, M=rp01418en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/j.actamat.2009.03.023en_HK
dc.identifier.scopuseid_2-s2.0-65849278482en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-65849278482&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume57en_HK
dc.identifier.issue12en_HK
dc.identifier.spage3431en_HK
dc.identifier.epage3438en_HK
dc.identifier.eissn1873-2453-
dc.identifier.isiWOS:000267527000001-
dc.publisher.placeUnited Kingdomen_HK
dc.identifier.scopusauthoridHuang, M=23469788700en_HK
dc.identifier.scopusauthoridRiveraDíazdelCastillo, PEJ=6603017212en_HK
dc.identifier.scopusauthoridBouaziz, O=6602183179en_HK
dc.identifier.scopusauthoridZwaag, Svd=24173975000en_HK
dc.identifier.citeulike4771836-

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