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Article: The main factor influencing the tensile properties of surface nano-crystallized graded materials

TitleThe main factor influencing the tensile properties of surface nano-crystallized graded materials
Authors
KeywordsFinite Element Method
Residual Stress
Surface Nano-Crystallized Graded Material
Work Hardening
Issue Date2010
PublisherElsevier SA. The Journal's web site is located at http://www.elsevier.com/locate/msea
Citation
Materials Science And Engineering A, 2010, v. 527 n. 26, p. 7040-7044 How to Cite?
AbstractThe improved mechanical properties of surface nano-crystallized graded materials produced by surface severe plastic deformation (S2PD) are generally owing to the effects of the refined structure, work-hardened region and compressive residual stress. However, during the S2PD process, residual stress is produced simultaneously with work-hardened region, the individual contribution of these two factors to the improved mechanical properties remains unclear. Numerical simulations are carried out in order to answer this question. It is found that work hardening predominates in improving the yield strength and the ultimate tensile strength of the surface nano-crystallized graded materials, while the influence of the residual stress mainly emerges at the initial stage of deformation and decreases the apparent elastic modulus of the surface nano-crystallized graded materials, which agrees well with the experimental results. © 2010 Elsevier B.V.
Persistent Identifierhttp://hdl.handle.net/10722/157079
ISSN
2015 Impact Factor: 2.647
2015 SCImago Journal Rankings: 1.803
ISI Accession Number ID
Funding AgencyGrant Number
NSFC10972220
10732050
10721202
CASKJCX2-YW-M04
PolyU7/CRF/08
Funding Information:

The work reported here is supported by NSFC through Grants #10972220, #10732050, and #10721202, the key project of CAS through Grant KJCX2-YW-M04. The work of AS and JL is partially support by PolyU7/CRF/08 of Hong Kong.

References

 

DC FieldValueLanguage
dc.contributor.authorLi, Jen_US
dc.contributor.authorChen, Sen_US
dc.contributor.authorWu, Xen_US
dc.contributor.authorSoh, Aen_US
dc.contributor.authorLu, Jen_US
dc.date.accessioned2012-08-08T08:45:14Z-
dc.date.available2012-08-08T08:45:14Z-
dc.date.issued2010en_US
dc.identifier.citationMaterials Science And Engineering A, 2010, v. 527 n. 26, p. 7040-7044en_US
dc.identifier.issn0921-5093en_US
dc.identifier.urihttp://hdl.handle.net/10722/157079-
dc.description.abstractThe improved mechanical properties of surface nano-crystallized graded materials produced by surface severe plastic deformation (S2PD) are generally owing to the effects of the refined structure, work-hardened region and compressive residual stress. However, during the S2PD process, residual stress is produced simultaneously with work-hardened region, the individual contribution of these two factors to the improved mechanical properties remains unclear. Numerical simulations are carried out in order to answer this question. It is found that work hardening predominates in improving the yield strength and the ultimate tensile strength of the surface nano-crystallized graded materials, while the influence of the residual stress mainly emerges at the initial stage of deformation and decreases the apparent elastic modulus of the surface nano-crystallized graded materials, which agrees well with the experimental results. © 2010 Elsevier B.V.en_US
dc.languageengen_US
dc.publisherElsevier SA. The Journal's web site is located at http://www.elsevier.com/locate/mseaen_US
dc.relation.ispartofMaterials Science and Engineering Aen_US
dc.subjectFinite Element Methoden_US
dc.subjectResidual Stressen_US
dc.subjectSurface Nano-Crystallized Graded Materialen_US
dc.subjectWork Hardeningen_US
dc.titleThe main factor influencing the tensile properties of surface nano-crystallized graded materialsen_US
dc.typeArticleen_US
dc.identifier.emailSoh, A:aksoh@hkucc.hku.hken_US
dc.identifier.authoritySoh, A=rp00170en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1016/j.msea.2010.07.064en_US
dc.identifier.scopuseid_2-s2.0-77956440182en_US
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-77956440182&selection=ref&src=s&origin=recordpageen_US
dc.identifier.volume527en_US
dc.identifier.issue26en_US
dc.identifier.spage7040en_US
dc.identifier.epage7044en_US
dc.identifier.isiWOS:000283113200034-
dc.publisher.placeSwitzerlanden_US
dc.identifier.scopusauthoridLi, J=25931590500en_US
dc.identifier.scopusauthoridChen, S=12806098400en_US
dc.identifier.scopusauthoridWu, X=7407063395en_US
dc.identifier.scopusauthoridSoh, A=7006795203en_US
dc.identifier.scopusauthoridLu, J=36072284900en_US

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