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Conference Paper: Initial contact behavior of nanograined Ni-25at. % Al film during nanoindentation

TitleInitial contact behavior of nanograined Ni-25at. % Al film during nanoindentation
Authors
Li, HNgan, AHW
Issue Date2005
PublisherMaterials Research Society. The Journal's web site is located at http://www.mrs.org/publications/epubs/proceedings/spring2004/index.html
Citation
Fundamentals of Nanoindentation and Nanotribology III, Mater. Res. Soc. Symp. Proc. 841, Warrendale, PA, p. R8.7 How to Cite?
AbstractCyclic indentation was performed on standard fused quartz, single crystal Ni3Al (111) and nanocrystalline Ni-25at. % Al alloy thin film with average grain size of a few nanometers. For the thin film sample, it is found the scattering of the effective Young's modulus at small depths goes far beyond the expectation from effects due to surface roughness alone. Three representative deformation mechanisms during initial contact stage were identified to be responsible for the scattering with the assistance of immediate pre and post indentation atomic force microscopy imaging. Furthermore, repeated loading was found to stiffen the thin film sample, but not the bulk ones. © 2005 Materials Research Society.
DescriptionFundamentals of Nanoindentation and Nanotribology III
Persistent Identifierhttp://hdl.handle.net/10722/100664
References
References in Scopus

 

DC FieldValueLanguage
dc.contributor.authorLi, Hen_HK
dc.contributor.authorNgan, AHWen_HK
dc.date.accessioned2010-09-25T19:18:48Z-
dc.date.available2010-09-25T19:18:48Z-
dc.date.issued2005en_HK
dc.identifier.citationFundamentals of Nanoindentation and Nanotribology III, Mater. Res. Soc. Symp. Proc. 841, Warrendale, PA, p. R8.7-
dc.identifier.urihttp://hdl.handle.net/10722/100664-
dc.descriptionFundamentals of Nanoindentation and Nanotribology III-
dc.description.abstractCyclic indentation was performed on standard fused quartz, single crystal Ni3Al (111) and nanocrystalline Ni-25at. % Al alloy thin film with average grain size of a few nanometers. For the thin film sample, it is found the scattering of the effective Young's modulus at small depths goes far beyond the expectation from effects due to surface roughness alone. Three representative deformation mechanisms during initial contact stage were identified to be responsible for the scattering with the assistance of immediate pre and post indentation atomic force microscopy imaging. Furthermore, repeated loading was found to stiffen the thin film sample, but not the bulk ones. © 2005 Materials Research Society.-
dc.languageengen_HK
dc.publisherMaterials Research Society. The Journal's web site is located at http://www.mrs.org/publications/epubs/proceedings/spring2004/index.html-
dc.relation.ispartofMaterials Research Society Symposium Proceedingsen_HK
dc.titleInitial contact behavior of nanograined Ni-25at. % Al film during nanoindentationen_HK
dc.typeConference_Paperen_HK
dc.identifier.emailNgan, AHW: hwngan@hkucc.hku.hken_HK
dc.identifier.authorityNgan, AHW=rp00225en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.scopuseid_2-s2.0-23844525544-
dc.identifier.hkuros124434en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-23844525544&selection=ref&src=s&origin=recordpage-
dc.identifier.volume841-
dc.identifier.spage87en_HK
dc.identifier.spage387-
dc.identifier.epage392-
dc.publisher.placeUnited States-
dc.identifier.scopusauthoridLi, H=8260441500-
dc.identifier.scopusauthoridNgan, AHW=7006827202-
dc.customcontrol.immutablesml 160107 - merged-

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