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Article: Ductility enhancement of layered stainless steel with nanograined interface layers

TitleDuctility enhancement of layered stainless steel with nanograined interface layers
Authors
KeywordsCo-rolling
Coarse-grained
Cohesive finite element methods
Ductility enhancement
Enhanced ductility
Issue Date2012
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/commatsci
Citation
Computational Materials Science, 2012, v. 55, p. 350-355 How to Cite?
AbstractCombination of surface mechanical attrition treatment (SMAT) and co-rolling is a promising experimental methodology to design metals with high strength and high ductility. Recent results have revealed that brittle nanograined interface layer (NGIL) can enhance the ductility of the co-rolled SMATed stainless steel (SS). In the present study, the cohesive finite element method is used to show that the SS ductility is significantly enhanced with the increase of fracture toughness of coarse-grained layers and failure strain of NGIL. However the ductility will not increase if the NGIL thickness goes beyond 60 μm. © 2011 Elsevier B.V. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/157168
ISSN
2015 Impact Factor: 2.086
2015 SCImago Journal Rankings: 1.037
ISI Accession Number ID
Funding AgencyGrant Number
Research Grants Council of the Hong Kong Special Administrative RegionCityU8/CRF/08
National Natural Science Foundation of China11102128
HKU
Funding Information:

Support from the Research Grants Council of the Hong Kong Special Administrative Region (Project No. CityU8/CRF/08) is gratefully acknowledged. X. Guo also acknowledges the support from National Natural Science Foundation of China (Project No. 11102128), and G.J. Weng thanks the support of the HKU Visiting Research Professor Scheme 2010-2013.

References
Grants

 

DC FieldValueLanguage
dc.contributor.authorGuo, Xen_US
dc.contributor.authorWeng, GJen_US
dc.contributor.authorSoh, AKen_US
dc.date.accessioned2012-08-08T08:45:37Z-
dc.date.available2012-08-08T08:45:37Z-
dc.date.issued2012en_US
dc.identifier.citationComputational Materials Science, 2012, v. 55, p. 350-355en_US
dc.identifier.issn0927-0256en_US
dc.identifier.urihttp://hdl.handle.net/10722/157168-
dc.description.abstractCombination of surface mechanical attrition treatment (SMAT) and co-rolling is a promising experimental methodology to design metals with high strength and high ductility. Recent results have revealed that brittle nanograined interface layer (NGIL) can enhance the ductility of the co-rolled SMATed stainless steel (SS). In the present study, the cohesive finite element method is used to show that the SS ductility is significantly enhanced with the increase of fracture toughness of coarse-grained layers and failure strain of NGIL. However the ductility will not increase if the NGIL thickness goes beyond 60 μm. © 2011 Elsevier B.V. All rights reserved.en_US
dc.languageengen_US
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/commatscien_US
dc.relation.ispartofComputational Materials Scienceen_US
dc.rightsNOTICE: this is the author’s version of a work that was accepted for publication in Computational Materials Science. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Computational Materials Science, 2012, v. 55, p. 350-355. DOI: 10.1016/j.commatsci.2011.11.014-
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subjectCo-rollingen_US
dc.subjectCoarse-graineden_US
dc.subjectCohesive finite element methodsen_US
dc.subjectDuctility enhancementen_US
dc.subjectEnhanced ductilityen_US
dc.titleDuctility enhancement of layered stainless steel with nanograined interface layersen_US
dc.typeArticleen_US
dc.identifier.emailSoh, AK: aksoh@hkucc.hku.hken_US
dc.identifier.authoritySoh, AK=rp00170en_US
dc.description.naturepostprinten_US
dc.identifier.doi10.1016/j.commatsci.2011.11.014en_US
dc.identifier.scopuseid_2-s2.0-84855752222en_US
dc.identifier.hkuros200543-
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-84855752222&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume55en_US
dc.identifier.spage350en_US
dc.identifier.epage355en_US
dc.identifier.isiWOS:000300728600046-
dc.publisher.placeNetherlandsen_US
dc.relation.projectDesign and realization of structural materials with high strength and high ductility-
dc.identifier.scopusauthoridSoh, AK=7006795203en_US
dc.identifier.scopusauthoridWeng, GJ=7006124528en_US
dc.identifier.scopusauthoridGuo, X=48861518900en_US
dc.identifier.citeulike10236546-

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