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

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dc.contributor.authorRoest, Ren_AU
dc.contributor.authorLatella, BAen_AU
dc.contributor.authorHeness, Gen_AU
dc.contributor.authorBen-Nissan, Ben_AU
dc.date.accessioned2011-03-30T04:06:21Zen_AU
dc.date.available2011-03-30T04:06:21Zen_AU
dc.date.issued2011-02-25en_AU
dc.date.statistics2011-02-25en_AU
dc.description.abstractThe 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. © 2011, Elsevier Ltd.en_AU
dc.identifier.citationRoest, R., Latella, B. A., Heness, G., Ben-Nissan, B. (2011). Adhesion of sol-gel derived hydroxyapatite nanocoatings on anodised pure titanium and titanium (Ti6Al4V) alloy substrates. Surface and Coatings Technology, 205(11), 3520-3529. doi:10.1016/j.surfcoat.2010.12.030en_AU
dc.identifier.govdoc3325en_AU
dc.identifier.issn0257-8972en_AU
dc.identifier.issue11en_AU
dc.identifier.journaltitleSurface and Coatings Technologyen_AU
dc.identifier.pagination3520-3529en_AU
dc.identifier.urihttp://dx.doi.org/10.1016/j.surfcoat.2010.12.030en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/3158en_AU
dc.identifier.volume205en_AU
dc.language.isoenen_AU
dc.publisherElsevieren_AU
dc.subjectAdhesionen_AU
dc.subjectFracture propertiesen_AU
dc.subjectTitaniumen_AU
dc.subjectSol-gel processen_AU
dc.subjectApatitesen_AU
dc.subjectCoatingsen_AU
dc.titleAdhesion of sol-gel derived hydroxyapatite nanocoatings on anodised pure titanium and titanium (Ti6Al4V) alloy substratesen_AU
dc.typeJournal Articleen_AU
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