Please use this identifier to cite or link to this item: https://doi.org/10.1557/JMR.2004.0306
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dc.titleUniqueness of reverse analysis from conical indentation tests
dc.contributor.authorTho, K.K.
dc.contributor.authorSwaddiwudhipong, S.
dc.contributor.authorLiu, Z.S.
dc.contributor.authorZeng, K.
dc.contributor.authorHua, J.
dc.date.accessioned2014-06-17T08:27:13Z
dc.date.available2014-06-17T08:27:13Z
dc.date.issued2004-08
dc.identifier.citationTho, K.K., Swaddiwudhipong, S., Liu, Z.S., Zeng, K., Hua, J. (2004-08). Uniqueness of reverse analysis from conical indentation tests. Journal of Materials Research 19 (8) : 2498-2502. ScholarBank@NUS Repository. https://doi.org/10.1557/JMR.2004.0306
dc.identifier.issn08842914
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/66358
dc.description.abstractThe curvature of the loading curve, the initial slope of the unloading curve, and the ratio of the residual depth to maximum indentation depth are three main quantities that can be established from an indentation load-displacement curve. A relationship among these three quantities was analytically derived. This relationship is valid for elasto-plastic material with power law strain hardening and indented by conical indenters of any geometry. The validity of this relationship is numerically verified through large strain, large deformation finite element analyses. The existence of an intrinsic relationship among the three quantities implies that only two independent quantities can be obtained from the load-displacement curve of a single conical indenter. The reverse analysis of a single load-displacement curve will yield non-unique combinations of elasto-plastic material properties due to the availability of only two independent quantities to solve for the three unknown material properties. © 2004 Materials Research Society.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.1557/JMR.2004.0306
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentINST OF HIGH PERFORMANCE COMPUTING
dc.contributor.departmentCIVIL ENGINEERING
dc.description.doi10.1557/JMR.2004.0306
dc.description.sourcetitleJournal of Materials Research
dc.description.volume19
dc.description.issue8
dc.description.page2498-2502
dc.description.codenJMREE
dc.identifier.isiut000223068100039
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