Please use this identifier to cite or link to this item: https://doi.org/10.1016/j.msea.2004.08.037
DC FieldValue
dc.titleSimulation of instrumented indentation and material characterization
dc.contributor.authorTho, K.K.
dc.contributor.authorSwaddiwudhipong, S.
dc.contributor.authorLiu, Z.S.
dc.contributor.authorZeng, K.
dc.date.accessioned2014-06-17T08:25:06Z
dc.date.available2014-06-17T08:25:06Z
dc.date.issued2005-01-15
dc.identifier.citationTho, K.K., Swaddiwudhipong, S., Liu, Z.S., Zeng, K. (2005-01-15). Simulation of instrumented indentation and material characterization. Materials Science and Engineering A 390 (1-2) : 202-209. ScholarBank@NUS Repository. https://doi.org/10.1016/j.msea.2004.08.037
dc.identifier.issn09215093
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/66173
dc.description.abstractExtensive large deformation finite element analyses were carried out to investigate the response of elasto-plastic materials obeying power law strain-hardening during the loading and unloading process of instrumented sharp indentation. The functional forms of the relationships between the characteristics of the load-indentation curve and the material properties of elasto-plastic materials were examined. The governing equations relating the curvature of the loading curve to the elasto-plastic material properties were formulated based on cavity expansion analogy. Two simple and robust algorithms were proposed for forward and reverse analyses. The numerical results obtained are in good agreement with published values. The uniqueness of the results from the reverse analysis algorithm was also addressed. By considering the load-displacement curve of Al 6061-T651, it was demonstrated that a one-to-one relationship between the elasto-plastic material properties and the load-displacement curve does not always exist. © 2004 Elsevier B.V. All rights reserved.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1016/j.msea.2004.08.037
dc.sourceScopus
dc.subjectElasto-plastic
dc.subjectFinite element method
dc.subjectInstrumented indentation
dc.subjectStrain-hardening
dc.subjectUniqueness
dc.typeArticle
dc.contributor.departmentCIVIL ENGINEERING
dc.description.doi10.1016/j.msea.2004.08.037
dc.description.sourcetitleMaterials Science and Engineering A
dc.description.volume390
dc.description.issue1-2
dc.description.page202-209
dc.identifier.isiut000226372400024
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