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

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dc.contributor.author Roest, Richard en_US
dc.contributor.author Latella, Bruno en_US
dc.contributor.author Heness, Gregory en_US
dc.contributor.author Ben-Nissan, Besim en_US
dc.contributor.editor en_US
dc.date.accessioned 2012-10-12T03:33:53Z
dc.date.available 2012-10-12T03:33:53Z
dc.date.issued 2011 en_US
dc.identifier 2010004253 en_US
dc.identifier.citation Roest Richard et al. 2011, 'Adhesion of sol-gel derived hydroxyapatite nanocoatings on anodised pure titanium and titanium (Ti6Al4V) alloy substrates', Elsevier, vol. 205, no. 11, pp. 3520-3529. en_US
dc.identifier.issn 0257-8972 en_US
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. en_US
dc.language en_US
dc.publisher Elsevier en_US
dc.relation.isbasedon http://dx.doi.org/10.1016/j.surfcoat.2010.12.030 en_US
dc.title Adhesion of sol-gel derived hydroxyapatite nanocoatings on anodised pure titanium and titanium (Ti6Al4V) alloy substrates en_US
dc.parent Surface & Coatings Technology en_US
dc.journal.volume 205 en_US
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 091200 en_US
dc.personcode 101355 en_US
dc.personcode 0000069403 en_US
dc.personcode 740233 en_US
dc.personcode 760028 en_US
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.staffid en_US
dc.staffid 760028 en_US


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