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    Development of carbon nanotube-reinforced hydroxyapatite bioceramics

    Access Status
    Fulltext not available
    Authors
    Kealley, C.
    Elcombe, M.
    Van Riessen, Arie
    Ben-Nissan, B.
    Date
    2006
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Kealley, Catherine and Elcombe, Margaret and Van Riessen, Arie and Ben-Nissan, Besim. 2006. Development of carbon nanotube-reinforced hydroxyapatite bioceramics. Physica B: Condensed Matter. 385-386 (Part 1): pp. 496-498.
    Source Title
    Physica B: Condensed Matter
    DOI
    10.1016/j.physb.2006.05.254
    ISSN
    09214526
    Faculty
    Department of Medical Imaging and Applied Physics
    School of Science
    Faculty of Science and Engineering
    School
    Department of Imaging and Applied Physics
    Remarks

    The link to the journal's home page is: http://www.elsevier.com/wps/find/journaldescription.cws_home/505712/description#description

    Copyright © 2006 Elsevier B.V. All rights reserved.

    URI
    http://hdl.handle.net/20.500.11937/37298
    Collection
    • Curtin Research Publications
    Abstract

    This paper reports development of a production method to create a composite material that is biocompatible, which will have high mechanical strength and resilience, and be able to withstand exposure to the physiological environment. The chemical precipitation conditions necessary for the production of single-phase synthetic hydroxyapatite (HAp) and a HAp and carbon nanotube (CNT)composite material have been optimised. Neutron diffraction patterns collected before and after sintering show that the nanotubes have remained intact within the structure, while most of the remaining soot has burnt off. Small-angle neutron scattering, in conjunction with scanning electron microscopy (SEM), also shows preservation of the CNTs. Hot isostatically pressed samples showed excellent densification. Neutron diffraction data has enabled the positions of the hydroxide bonds to be determined, and shown that the addition of the CNTs has had no effect on the structural parameters of the HAp phase, with the exception of a slight reduction in the unit cell parameter a.

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