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Hydroxyapatite/titania nanocomposites derived by combining high-energy ball milling with spark plasma sintering processes.

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Hydroxyapatite/titania nanocomposites derived by combining high-energy ball milling with spark plasma sintering processes.

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dc.contributor.author Que, Wenxiu.
dc.contributor.author Khor, Khiam Aik.
dc.contributor.author Xu, Jinling.
dc.contributor.author Yu, L. G.
dc.date.accessioned 2012-09-12T09:01:02Z
dc.date.available 2012-09-12T09:01:02Z
dc.date.copyright 2008
dc.date.issued 2012-09-12
dc.identifier.citation Que, W., Khor, K. A., Xu, J., & Yu, L. G. (2008). Hydroxyapatite/titania nanocomposites derived by combining high-energy ball milling with spark plasma sintering processes. Journal of the European Ceramic Society, 28(16), 3083-3090.
dc.identifier.issn 0955-2219
dc.identifier.uri http://hdl.handle.net/10220/8502
dc.description.abstract Hydroxyapatite-reinforced nanocomposites with titania nanocrystals addition are prepared by a homogeneous mixing of hydroxyapatite nanoparticles and titania nanocrystals based on high-energy ball milling and spark plasma sintering processes. The microstructural and mechanical properties of the HA/titania composites are studied by X-ray diffractometry analysis, Raman spectrometry, and scanning electron microscopy. The hardness and Young's modulus of the composites are characterized by a nanoindenter and they show that the incorporation of the titania nanocrystals improves the mechanical properties of the composites obviously and the improvement should be ascribed to the main solitary effect of the ceramic as additives as well as a denser composites due to combining high-energy ball milling with spark plasma sintering techniques. The bioactivity of the HA/titania composites is evaluated by immersing the spark plasma sintering (SPS) compact disk in the simulated body fluid (SBF) and the results indicate that the bioactivity of the composites is related to the addition of titania by inducing apatite nucleation on the sample's surface after being immersed in SBF.
dc.language.iso en
dc.relation.ispartofseries Journal of the european ceramic society
dc.rights © 2008 Elsevier Ltd. This is the author created version of a work that has been peer reviewed and accepted for publication by Journal of the European Ceramic Society, Elsevier Ltd. It incorporates referee’s comments but changes resulting from the publishing process, such as copyediting, structural formatting, may not be reflected in this document. The published version is available at: [DOI: http://dx.doi.org/10.1016/j.jeurceramsoc.2008.05.016].
dc.subject DRNTU::Engineering::Materials::Plasma treatment.
dc.title Hydroxyapatite/titania nanocomposites derived by combining high-energy ball milling with spark plasma sintering processes.
dc.type Journal Article
dc.contributor.school School of Mechanical and Aerospace Engineering
dc.identifier.doi http://dx.doi.org/10.1016/j.jeurceramsoc.2008.05.016
dc.description.version Accepted version

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