Adhesion of sol-gel derived hydroxyapatite nanocoatings on anodised pure titanium and titanium (Ti6Al4V) alloy substrates

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dc.contributor.author Roest, RS
dc.contributor.author Latella, BA
dc.contributor.author Heness, GL
dc.contributor.author Ben-Nissan, B
dc.date.accessioned 2012-10-12T03:33:53Z
dc.date.issued 2011-01
dc.identifier.citation Surface & Coatings Technology, 2011, 205 (11), pp. 3520 - 3529
dc.identifier.issn 0257-8972
dc.identifier.other C1 en_US
dc.identifier.uri http://hdl.handle.net/10453/18314
dc.description.abstract The mechanical properties and adhesion behaviour of sol-gel derived hydroxyapatite (HA) nanocoatings on commercially pure (cp) titanium (Ti) and Ti6Al4V alloy have been determined and related to anodising treatment. The surface roughness, wetting and coating characteristics were examined using profilometry, contact angle, scanning electron microscopy (SEM) and X-ray diffraction (XRD). Nano-indentation was used to determine the Young's modulus and hardness of the coatings, while microtensile tests were used to introduce controlled strains in the coatings through the cp Ti and TiAl6V4 alloy substrates, from which the strength, fracture toughness and adhesion behaviour could be ascertained based on multiple cracking and delamination events. The toughness of the HA coatings is found to be slightly lower to that of equivalent bulk pure HA ceramics. The substrate and the anodized layer thickness have the most influence on the interfacial adhesion of HA, with nanocoatings on Ti6Al4V exhibiting superior interfacial bonding in comparison to cp Ti.
dc.publisher Elsevier
dc.relation.isbasedon 10.1016/j.surfcoat.2010.12.030
dc.title Adhesion of sol-gel derived hydroxyapatite nanocoatings on anodised pure titanium and titanium (Ti6Al4V) alloy substrates
dc.type Journal Article
dc.parent Surface & Coatings Technology
dc.journal.volume 11
dc.journal.volume 205
dc.journal.number 11 en_US
dc.publocation United Kingdom en_US
dc.identifier.startpage 3520 en_US
dc.identifier.endpage 3529 en_US
dc.cauo.name SCI.Physics and Advanced Materials en_US
dc.conference Verified OK en_US
dc.for 0912 Materials Engineering
dc.personcode 740233
dc.personcode 101355
dc.personcode 760028
dc.percentage 100 en_US
dc.classification.name Materials Engineering en_US
dc.classification.type FOR-08 en_US
dc.edition en_US
dc.custom en_US
dc.date.activity en_US
dc.location.activity en_US
dc.description.keywords Hydroxyapatite; Sol-gel coating; Nanocoating; Titanium; Fracture toughness; Adhesion; Anodising en_US
dc.description.keywords Hydroxyapatite
dc.description.keywords Hydroxyapatite
dc.description.keywords Sol-gel coating
dc.description.keywords Sol-gel coating
dc.description.keywords Nanocoating
dc.description.keywords Nanocoating
dc.description.keywords Titanium
dc.description.keywords Titanium
dc.description.keywords Fracture toughness
dc.description.keywords Fracture toughness
dc.description.keywords Adhesion
dc.description.keywords Adhesion
dc.description.keywords Anodising
dc.description.keywords Anodising
dc.description.keywords Hydroxyapatite
dc.description.keywords Sol-gel coating
dc.description.keywords Nanocoating
dc.description.keywords Titanium
dc.description.keywords Fracture toughness
dc.description.keywords Adhesion
dc.description.keywords Anodising
dc.description.keywords Hydroxyapatite
dc.description.keywords Hydroxyapatite
dc.description.keywords Sol-gel coating
dc.description.keywords Sol-gel coating
dc.description.keywords Nanocoating
dc.description.keywords Nanocoating
dc.description.keywords Titanium
dc.description.keywords Titanium
dc.description.keywords Fracture toughness
dc.description.keywords Fracture toughness
dc.description.keywords Adhesion
dc.description.keywords Adhesion
dc.description.keywords Anodising
dc.description.keywords Anodising
dc.description.keywords Hydroxyapatite
dc.description.keywords Sol-gel coating
dc.description.keywords Nanocoating
dc.description.keywords Titanium
dc.description.keywords Fracture toughness
dc.description.keywords Adhesion
dc.description.keywords Anodising
pubs.embargo.period Not known
pubs.organisational-group /University of Technology Sydney
pubs.organisational-group /University of Technology Sydney/Faculty of Science
pubs.organisational-group /University of Technology Sydney/Faculty of Science/School of Physics and Advanced Materials
pubs.organisational-group /University of Technology Sydney/Strength - Built Infrastructure
pubs.organisational-group /University of Technology Sydney/Strength - Health Technologies
utslib.copyright.status Closed Access
utslib.copyright.date 2015-04-15 12:17:09.805752+10


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