Conference Paper: Viscoelastic effects during depth-sensing indentation of cortical bone tissues

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TitleViscoelastic effects during depth-sensing indentation of cortical bone tissues
AuthorsTang, B1
Ngan, AHW1
Lu, WW1
Issue Date2006
PublisherTaylor & Francis Ltd. The Journal's web site is located at http://www.tandf.co.uk/journals/titles/14786435.asp
CitationPhilosophical Magazine, 2006, v. 86 n. 33-35 SPEC. ISSUE, p. 5653-5666 [How to Cite?]
DOI: http://dx.doi.org/10.1080/14786430600728646
AbstractWhen using nanoindentation to measure the mechanical properties of biological tissues, viscoelastic effects may be significant and may affect the accuracy of the results. In this study, a method for correcting viscoelastic effects during nanoindentation is described. The correction formula involved is re-derived using a three-element nonlinear visco-plasto-elastic material tensor model. This method is then applied to forelimb and femur bone samples taken from two species (C57 BL/6N and ICR) of mice. After correcting for viscoelastic effects, elastic modulus and hardness results are found to be independent of experimental conditions, such as the unloading rate. Measured mechanical properties also correlate well with the calcium content of the bone samples.
ISSN1478-6435
2011 Impact Factor: 1.51
2011 SCImago Journal Rankings: 0.093
DOIhttp://dx.doi.org/10.1080/14786430600728646
ISI Accession Number IDWOS:000240589400038
ReferencesReferences in Scopus
DC Field
Value
dc.contributor.authorTang, B
dc.contributor.authorNgan, AHW
dc.contributor.authorLu, WW
dc.date.accessioned2010-09-06T07:12:59Z
dc.date.available2010-09-06T07:12:59Z
dc.date.issued2006
dc.description.abstractWhen using nanoindentation to measure the mechanical properties of biological tissues, viscoelastic effects may be significant and may affect the accuracy of the results. In this study, a method for correcting viscoelastic effects during nanoindentation is described. The correction formula involved is re-derived using a three-element nonlinear visco-plasto-elastic material tensor model. This method is then applied to forelimb and femur bone samples taken from two species (C57 BL/6N and ICR) of mice. After correcting for viscoelastic effects, elastic modulus and hardness results are found to be independent of experimental conditions, such as the unloading rate. Measured mechanical properties also correlate well with the calcium content of the bone samples.
dc.description.natureLink_to_subscribed_fulltext
dc.identifier.citationPhilosophical Magazine, 2006, v. 86 n. 33-35 SPEC. ISSUE, p. 5653-5666 [How to Cite?]
DOI: http://dx.doi.org/10.1080/14786430600728646
dc.identifier.citeulike852057
dc.identifier.doihttp://dx.doi.org/10.1080/14786430600728646
dc.identifier.epage5666
dc.identifier.hkuros127061
dc.identifier.isiWOS:000240589400038
dc.identifier.issn1478-6435
2011 Impact Factor: 1.51
2011 SCImago Journal Rankings: 0.093
dc.identifier.issue33-35 SPEC. ISSUE
dc.identifier.openurl
dc.identifier.scopuseid_2-s2.0-33748781691
dc.identifier.spage5653
dc.identifier.urihttp://hdl.handle.net/10722/75623
dc.identifier.volume86
dc.languageeng
dc.publisherTaylor & Francis Ltd. The Journal's web site is located at http://www.tandf.co.uk/journals/titles/14786435.asp
dc.publisher.placeUnited Kingdom
dc.relation.ispartofPhilosophical Magazine
dc.relation.referencesReferences in Scopus
dc.titleViscoelastic effects during depth-sensing indentation of cortical bone tissues
dc.typeConference_Paper
Author Affiliations
  1. The University of Hong Kong