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    Precursor system for bio-integration ceramics and deposition onto tantala scaffold bone interface surfaces

    Access Status
    Fulltext not available
    Authors
    Hartshorn, R.
    Stockwell, S.
    Lebedev, Maxim
    Krumdieck, S.
    Date
    2007
    Type
    Journal Article
    
    Metadata
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    Citation
    Hartshorn, Richard and Stockwell, Samantha and Lebedev, Maxim and Krumdieck, Susan. 2007. Precursor system for bio-integration ceramics and deposition onto tantala scaffold bone interface surfaces. Surface & Coatings Technology 201: pp. 9413-9416.
    Source Title
    Surface & Coatings Technology
    DOI
    10.1016/j.surfcoat.2007.04.042
    ISSN
    0257-8972
    Faculty
    Department of Exploration Geophysics
    Faculty of Science and Engineering
    WA School of Mines
    URI
    http://hdl.handle.net/20.500.11937/3948
    Collection
    • Curtin Research Publications
    Abstract

    Modern orthopaedic bone implants and joint replacements employ hydroxyapatite (HA) coatings to stimulate bone growth. Metal Ti and Ta implants are also moving to rough and porous contact surfaces to enhance integration and long term stability. The current methods of applying HA to implants have problems with adhesion, and there is no MOCVD precursor system reported in the literature. We have investigated a methanolic MOCVD precursor solution of calcium-dibenzoylmethane and trimethylphosphate in combination with a unique pulsed-pressure MOCVD (PP-MOCVD) process to apply a thin adherent film of HA onto a tantalum implant scaffold material. This technique will allow use of multiple precursors and is not limited by precursor volatility. Calcium and phosphorous deposits were identified at depths of up to 4 mm on the tantalum scaffold sample by EDS analysis.

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