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Article: Anomalous load dependence in single-asperity tribological behaviour of anodic aluminium oxide nanohoneycombs

TitleAnomalous load dependence in single-asperity tribological behaviour of anodic aluminium oxide nanohoneycombs
Authors
Wang, SNgan, AHWNg, KY
KeywordsAnodic aluminium oxide
Diamond tip
Friction coefficients
Linear scaling
Load dependence
Issue Date2012
PublisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/scriptamat
Citation
Scripta Materialia, 2012, v. 67 n. 4, p. 360-363 How to Cite?
DOI: http://dx.doi.org/10.1016/j.scriptamat.2012.05.023
AbstractNanoscratch tests on porous alumina with a Berkovich diamond tip reveal a very strong load dependence of the sliding friction coefficient in the submicronewton load range. The friction coefficient is generally >10 under loads below 0.1 mN, and this drops to ∼1 under larger loads. This peculiar behaviour is thought to be due to the row-by-row failure of the solid walls in the nanohoneycomb structure, which leads to a nearly linear scaling of the scratch resistance with scratch width. © 2012 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
Persistent Identifierhttp://hdl.handle.net/10722/157205
ISSN
1359-6462
2023 Impact Factor: 5.3
2023 SCImago Journal Rankings: 1.738
ISI Accession Number ID
WOS:000306722100013

 

DC FieldValueLanguage
dc.contributor.authorWang, Sen_US
dc.contributor.authorNgan, AHWen_US
dc.contributor.authorNg, KYen_US
dc.date.accessioned2012-08-08T08:45:48Z-
dc.date.available2012-08-08T08:45:48Z-
dc.date.issued2012en_US
dc.identifier.citationScripta Materialia, 2012, v. 67 n. 4, p. 360-363en_US
dc.identifier.issn1359-6462en_US
dc.identifier.urihttp://hdl.handle.net/10722/157205-
dc.description.abstractNanoscratch tests on porous alumina with a Berkovich diamond tip reveal a very strong load dependence of the sliding friction coefficient in the submicronewton load range. The friction coefficient is generally >10 under loads below 0.1 mN, and this drops to ∼1 under larger loads. This peculiar behaviour is thought to be due to the row-by-row failure of the solid walls in the nanohoneycomb structure, which leads to a nearly linear scaling of the scratch resistance with scratch width. © 2012 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.en_US
dc.languageengen_US
dc.publisherPergamon. The Journal's web site is located at http://www.elsevier.com/locate/scriptamaten_US
dc.relation.ispartofScripta Materialiaen_US
dc.subjectAnodic aluminium oxideen_US
dc.subjectDiamond tipen_US
dc.subjectFriction coefficientsen_US
dc.subjectLinear scalingen_US
dc.subjectLoad dependenceen_US
dc.titleAnomalous load dependence in single-asperity tribological behaviour of anodic aluminium oxide nanohoneycombsen_US
dc.typeArticleen_US
dc.identifier.emailNgan, AHW: hwngan@hkucc.hku.hken_US
dc.identifier.emailNg, KY: kycng@hku.hken_US
dc.identifier.authorityNgan, AHW=rp00225en_US
dc.identifier.authorityNg, KY=rp01365en_US
dc.description.naturelink_to_subscribed_fulltexten_US
dc.identifier.doi10.1016/j.scriptamat.2012.05.023en_US
dc.identifier.scopuseid_2-s2.0-84863197288-
dc.identifier.hkuros201137-
dc.identifier.volume67-
dc.identifier.issue4-
dc.identifier.spage360-
dc.identifier.epage363-
dc.identifier.isiWOS:000306722100013-
dc.publisher.placeUnited Kingdomen_US
dc.identifier.scopusauthoridNg, KY=26434356600en_US
dc.identifier.scopusauthoridNgan, AHW=7006827202en_US
dc.identifier.scopusauthoridWang, S=55246293300en_US
dc.identifier.citeulike10850538-
dc.identifier.issnl1359-6462-

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