Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/6938
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dc.contributorDepartment of Applied Physics-
dc.creatorMa, D-
dc.creatorOng, CW-
dc.date.accessioned2014-12-11T08:26:19Z-
dc.date.available2014-12-11T08:26:19Z-
dc.identifier.issn0884-2914-
dc.identifier.urihttp://hdl.handle.net/10397/6938-
dc.language.isoenen_US
dc.publisherCambridge University Pressen_US
dc.rights© 2010 Materials Research Societyen_US
dc.rightsThe following article "Dejun Ma and Chung Wo Ong (2010). Further analysis of energy-based indentation relationship among Young’s modulus, nominal hardness, and indentation work. Journal of Materials Research, 25(6), pp 1131-1136. doi:10.1557/JMR.2010.0137." is available at http://journals.cambridge.org/action/displayAbstract?fromPage=online&aid=7938815en_US
dc.subjectElastic propertiesen_US
dc.subjectNanoindentationen_US
dc.titleFurther analysis of energy-based indentation relationship among Young’s modulus, nominal hardness, and indentation worken_US
dc.typeJournal/Magazine Articleen_US
dc.description.otherinformationAuthor name used in this publication: Chung Wo Ongen_US
dc.identifier.spage1131-
dc.identifier.epage1136-
dc.identifier.volume25-
dc.identifier.issue6-
dc.identifier.doi10.1557/JMR.2010.0137-
dcterms.abstractIn our previous study, we modeled the indentation performed on an elastic–plastic solid with a rigid conical indenter by using finite element analysis, and established a relationship between a nominal hardness/reduced Young’s modulus (H[sub n]/E[sub r]) and unloading work/total indentation work (W[sub e]/W[sub t]). The elasticity of the indenter was absorbed in E [sub r] ≡ 1/[(1 − ν²)/E + (1 − ν[sub i]²)/E [sub i]], where E[sub i] and ν[sub i] are the Young’s modulus and Poisson’s ratio of the indenter, and E and ν are those of the indented material. However, recalculation by directly introducing the elasticity of the indenter show that the use of E[sub r] alone cannot accurately reflect the combined elastic effect of the indenter and indented material, but the ratio η = [E/(1 − ν²)]/[E [sub i/(1 − ν[sub i]²)] would influence the H[sub n]/E[sub r]–W[sub e]/W[sub t] relationship. Thereby, we replaced E r with a combined Young’s modulus E[sub c] ≡ 1/[(1 − ν²)/E + 1.32(1 − ν[sub i]²)/E[sub i]] = E [sub r]/[1 + 0.32η/(1 + η)], and found that the approximate H[sub n]/E[sub c]–W[sub e]/W [sub t] relationship is almost independent of selected η values over 0–0.3834, which can be used to give good estimates of E as verified by experimental results.-
dcterms.bibliographicCitationJournal of materials research, June 2010, v. 25, no. 6, p. 1131-1136-
dcterms.isPartOfJournal of materials research-
dcterms.issued2010-06-
dc.identifier.isiWOS:000278161900018-
dc.identifier.scopus2-s2.0-77958118879-
dc.identifier.eissn2044-5326-
dc.identifier.rosgroupidr47970-
dc.description.ros2009-2010 > Academic research: refereed > Publication in refereed journal-
dc.description.oapublished_final-
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