Microstrain in hydroxyapatite carbon nanotube composites

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dc.contributor.authorKealley, CSen_AU
dc.contributor.authorElcombe, MMen_AU
dc.contributor.authorvan Riessen, Aen_AU
dc.date.accessioned2008-04-24T01:54:22Zen_AU
dc.date.accessioned2010-04-30T05:02:51Zen_AU
dc.date.available2008-04-24T01:54:22Zen_AU
dc.date.available2010-04-30T05:02:51Zen_AU
dc.date.issued2008-01-15en_AU
dc.date.statistics2008-01en_AU
dc.description.abstractSynchrotron radiation diffraction data were collected from hydroxyapatite–carbon nanotube bioceramic composites to determine the crystallite size and to measure changes in non-uniform strain. Estimates of crystallite size and strain were determined by line-profile fitting of discrete peaks and these were compared with a Rietveld whole-pattern analysis. Overall the two analysis methods produced very similar numbers. In the commercial hydroxyapatite material, one reflection in particular, (0 2 3), has higher crystallite size and lower strain values in comparison with laboratory-synthesized material. This could indicate preferential crystal growth in the [0 2 3] direction in the commercial material. From the measured strains in the pure material and the composite, there was a degree of bonding between the matrix and strengthening fibres. However, increasing the amount of carbon nanotubes in the composite has increased the strain in the material, which is undesirable for biomedical implant applications. © 2008, Wiley-Blackwellen_AU
dc.identifier.citationKealley, C., Elcombe, M., & van Riessen, A. (2008). Microstrain in hydroxyapatite carbon nanotube composites. Journal of Synchrotron Radiation, 15, 86-90. doi:10.1107/S0909049507055720en_AU
dc.identifier.govdoc1180en_AU
dc.identifier.issn0909-0495en_AU
dc.identifier.journaltitleJournal of Synchrotron Radiationen_AU
dc.identifier.pagination86-90en_AU
dc.identifier.urihttp://dx.doi.org/10.1107/S0909049507055720en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/1122en_AU
dc.identifier.volume15en_AU
dc.language.isoenen_AU
dc.publisherWiley-Blackwellen_AU
dc.subjectStrainsen_AU
dc.subjectDiffractionen_AU
dc.subjectApatitesen_AU
dc.subjectNanotubesen_AU
dc.subjectComposite materialsen_AU
dc.subjectSynchrotron radiationen_AU
dc.subjectCarbonen_AU
dc.titleMicrostrain in hydroxyapatite carbon nanotube compositesen_AU
dc.typeJournal Articleen_AU
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