Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/4868
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dc.contributorDepartment of Mechanical Engineering-
dc.creatorCheng, S-
dc.creatorStoica, AD-
dc.creatorWang, X-
dc.creatorRen, Y-
dc.creatorAlmer, J-
dc.creatorHorton, JA-
dc.creatorLiu, CT-
dc.creatorClausen, B-
dc.creatorBrown, DW-
dc.creatorLiaw, PK-
dc.creatorZuo, L-
dc.date.accessioned2014-12-11T08:25:10Z-
dc.date.available2014-12-11T08:25:10Z-
dc.identifier.issn0031-9007-
dc.identifier.urihttp://hdl.handle.net/10397/4868-
dc.language.isoenen_US
dc.publisherAmerican Physical Societyen_US
dc.rightsPhysical Review Letters © 2009 The American Physical Society. The Journal's web site is located at http://prl.aps.org/en_US
dc.subjectGrain size and shapeen_US
dc.subjectNickelen_US
dc.subjectTexturesen_US
dc.titleDeformation crossover : from nano- to mesoscaleen_US
dc.typeJournal/Magazine Articleen_US
dc.identifier.spage1-
dc.identifier.epage4-
dc.identifier.volume103-
dc.identifier.issue3-
dc.identifier.doi10.1103/PhysRevLett.103.035502-
dcterms.abstractIn situ synchrotron and neutron diffraction were used to study deformation mechanisms in Ni over a broad range of grain sizes. The experimental data show that unlike in coarse-grained metals, where the deformation is dominated by dislocation slip, plastic deformation in nanocrystalline Ni is mediated by grain-boundary activities, as evidenced by the lack of intergranular strain and texture development. For ultrafine-grained Ni, although dislocation slip is an active deformation mechanism, deformation twinning also plays an important role, whose propensity increases with the grain size.-
dcterms.accessRightsopen accessen_US
dcterms.bibliographicCitationPhysical review letters, 17 July 2009, v. 103, no. 3, 035502, p. 1-4-
dcterms.isPartOfPhysical review letters-
dcterms.issued2009-07-17-
dc.identifier.isiWOS:000268088300041-
dc.identifier.scopus2-s2.0-68849105494-
dc.identifier.eissn1079-7114-
dc.description.oaVersion of Recorden_US
dc.identifier.FolderNumberOA_IR/PIRAen_US
dc.description.pubStatusPublisheden_US
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