Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/79923
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dc.contributor.authorLiao, H. L.en
dc.contributor.authorJoguet, D.en
dc.contributor.authorCoddet, C.en
dc.contributor.authorXu, Jinlingen
dc.contributor.authorCizek, Janen
dc.contributor.authorKhor, Khiam Aiken
dc.contributor.authorChen, William Wei Ningen
dc.date.accessioned2012-10-01T07:28:22Zen
dc.date.accessioned2019-12-06T13:36:53Z-
dc.date.available2012-10-01T07:28:22Zen
dc.date.available2019-12-06T13:36:53Z-
dc.date.copyright2012en
dc.date.issued2012en
dc.identifier.citationXu, J., Joguet, D., Cizek, J., Khor, K. A., Liao, H. L., Coddet, C., & Chen, W. N. W. (2012). Synthesis and characterization on atomphospheric plasma sprayed amorphous silica doped hydrxoyapatite coatings. Surface and coatings technology, 206(22), 4659-4665.en
dc.identifier.issn0257-8972en
dc.identifier.urihttps://hdl.handle.net/10356/79923-
dc.description.abstractPlasma sprayed hydroxyapatite (HA) coatings have been widely investigated for application on surface of biomedical metals to improve bonding and interaction between body tissues and implant. In this study, a small amount of amorphous silicon dioxide (silica,~1, 2, 5 wt.%) was introduced into HA slurry which was subsequently spray-dried into powder form. The powder feedstock was then sprayed onto Ti6Al4V alloy substrates by an atmospheric plasma spraying technology. To improve the bonding strength of as-sprayed coatings, the substrates were pre-heat treated to 250 °C by plasma. The characteristics of the as sprayed coatings were investigated by various technologies inclusive of scanning electron microscopy (SEM), X-ray diffraction and X-ray photoelectron spectrometry, and Raman spectrometry. The adhesive bonding strength of the as-sprayed coatings was specified using a universal testing system. Modulus and hardness of the coatings were investigated using nano-hardness tester. The results showed that, with pre- substrate heat treatment, the presence silica have enhanced the hardness, modulus and adhesive strength of coatings. Incorporation of Si has affected the structure of HA crystal involving the exchange of oxygen and silicon. In addition, in vitro osteoblasts cellular responses were assessed and discussed to investigate the cell proliferation and differentiation on the as sprayed coatings.en
dc.language.isoenen
dc.relation.ispartofseriesSurface and coatings technologyen
dc.rights© 2012 Elsevier B.V. This is the author created version of a work that has been peer reviewed and accepted for publication by Surface & Coatings Technology, Elsevier B.V. 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.surfcoat.2012.05.042].en
dc.subjectDRNTU::Science::Medicine::Biomedical engineeringen
dc.titleSynthesis and characterization on atomphospheric plasma sprayed amorphous silica doped hydrxoyapatite coatingsen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Mechanical and Aerospace Engineeringen
dc.identifier.doi10.1016/j.surfcoat.2012.05.042en
dc.description.versionAccepted versionen
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