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Article: Ductility enhancement of layered stainless steel with nanograined interface layers
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TitleDuctility enhancement of layered stainless steel with nanograined interface layers
 
AuthorsGuo, X4 2 3
Weng, GJ3 1
Soh, AK3
 
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
 
CitationComputational Materials Science, 2012, v. 55, p. 350-355 [How to Cite?]
DOI: http://dx.doi.org/10.1016/j.commatsci.2011.11.014
 
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.
 
ISSN0927-0256
2012 Impact Factor: 1.878
2012 SCImago Journal Rankings: 0.977
 
DOIhttp://dx.doi.org/10.1016/j.commatsci.2011.11.014
 
ISI Accession Number IDWOS:000300728600046
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.

 
ReferencesReferences in Scopus
 
GrantsDesign and realization of structural materials with high strength and high ductility
 
DC FieldValue
dc.contributor.authorGuo, X
 
dc.contributor.authorWeng, GJ
 
dc.contributor.authorSoh, AK
 
dc.date.accessioned2012-08-08T08:45:37Z
 
dc.date.available2012-08-08T08:45:37Z
 
dc.date.issued2012
 
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.
 
dc.description.naturepostprint
 
dc.identifier.citationComputational Materials Science, 2012, v. 55, p. 350-355 [How to Cite?]
DOI: http://dx.doi.org/10.1016/j.commatsci.2011.11.014
 
dc.identifier.citeulike10236546
 
dc.identifier.doihttp://dx.doi.org/10.1016/j.commatsci.2011.11.014
 
dc.identifier.epage355
 
dc.identifier.hkuros200543
 
dc.identifier.isiWOS:000300728600046
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.

 
dc.identifier.issn0927-0256
2012 Impact Factor: 1.878
2012 SCImago Journal Rankings: 0.977
 
dc.identifier.scopuseid_2-s2.0-84855752222
 
dc.identifier.spage350
 
dc.identifier.urihttp://hdl.handle.net/10722/157168
 
dc.identifier.volume55
 
dc.languageeng
 
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/commatsci
 
dc.publisher.placeNetherlands
 
dc.relation.ispartofComputational Materials Science
 
dc.relation.projectDesign and realization of structural materials with high strength and high ductility
 
dc.relation.referencesReferences in Scopus
 
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-rolling
 
dc.subjectCoarse-grained
 
dc.subjectCohesive finite element methods
 
dc.subjectDuctility enhancement
 
dc.subjectEnhanced ductility
 
dc.titleDuctility enhancement of layered stainless steel with nanograined interface layers
 
dc.typeArticle
 
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<description.abstract>Combination 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 &#956;m. &#169; 2011 Elsevier B.V. All rights reserved.</description.abstract>
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Author Affiliations
  1. Rutgers, The State University of New Jersey
  2. Tianjin Key Laboratory of Nonlinear Dynamics and Chaos Control
  3. The University of Hong Kong
  4. Tianjin University