Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.ijsolstr.2010.12.002
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dc.titleNumerical and experimental indentation tests considering size effects
dc.contributor.authorHarsono, E.
dc.contributor.authorSwaddiwudhipong, S.
dc.contributor.authorLiu, Z.S.
dc.contributor.authorShen, L.
dc.date.accessioned2014-10-09T07:38:03Z
dc.date.available2014-10-09T07:38:03Z
dc.date.issued2011-03-15
dc.identifier.citationHarsono, E., Swaddiwudhipong, S., Liu, Z.S., Shen, L. (2011-03-15). Numerical and experimental indentation tests considering size effects. International Journal of Solids and Structures 48 (6) : 972-978. ScholarBank@NUS Repository. https://doi.org/10.1016/j.ijsolstr.2010.12.002
dc.identifier.issn00207683
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/91098
dc.description.abstractA series of nanoindentation experiments with maximum depths varying from 1200 to 2500 nm were conducted to study indentation size effects on copper, aluminium alloy and nickel. As expected, results from classical plasticity simulation deviate significantly from experimental data for indentation at micron and submicron levels. C0 continuity finite element analysis incorporating the conventional theory of mechanism-based strain-gradient (CMSG) plasticity has been carried out to simulate spherical and Berkovich indentation tests at micron level where size effect is observed. The results from both numerical and actual spherical and Berkovich indentation tests demonstrate that materials are significantly strengthened for deformation at this level and the proposed approach is able to provide reasonably accurate results. © 2010 Elsevier Ltd. All rights reserved.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1016/j.ijsolstr.2010.12.002
dc.sourceScopus
dc.subjectConventional mechanism based strain gradient plasticity
dc.subjectFinite element method
dc.subjectIndentation size effect
dc.subjectIndentation test
dc.subjectSimulated indentation
dc.typeArticle
dc.contributor.departmentCIVIL & ENVIRONMENTAL ENGINEERING
dc.description.doi10.1016/j.ijsolstr.2010.12.002
dc.description.sourcetitleInternational Journal of Solids and Structures
dc.description.volume48
dc.description.issue6
dc.description.page972-978
dc.identifier.isiut000287892800010
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