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Influence of multiwall carbon nanotube functionality and loading on mechanical properties of PMMA/MWCNT bone cements
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Ormsby, Ross W., McNally, Tony, Mitchell, Christina A. and Dunne, Nicholas J. (2010) Influence of multiwall carbon nanotube functionality and loading on mechanical properties of PMMA/MWCNT bone cements. Journal of Materials Science: Materials in Medicine, 21 (8). pp. 2287-2292. doi:10.1007/s10856-009-3960-5 ISSN 0957-4530.
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Official URL: http://dx.doi.org/10.1007/s10856-009-3960-5
Abstract
Poly (methyl methacrylate) (PMMA) bone cement—multi walled carbon nanotube (MWCNT) nanocomposites with weight loadings ranging from 0.1 to 1.0 wt% were prepared. The MWCNTs investigated were unfunctionalised, carboxyl and amine functionalised MWCNTs. Mechanical properties of the resultant nanocomposite cements were characterised as per international standards for acrylic resin cements. These mechanical properties were influenced by the type and wt% loading of MWCNT used. The morphology and degree of dispersion of the MWCNTs in the PMMA matrix at different length scales were examined using field emission scanning electron microscopy. Improvements in mechanical properties were attributed to the MWCNTs arresting/retarding crack propagation through the cement by providing a bridging effect and hindering crack propagation. MWCNTs agglomerations were evident within the cement microstructure, the degree of these agglomerations was dependent on the weight fraction and functionality of MWCNTs incorporated into the cement.
Item Type: | Journal Article | ||||||||||||
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Subjects: | T Technology > TA Engineering (General). Civil engineering (General) | ||||||||||||
Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||||||||||
Library of Congress Subject Headings (LCSH): | Carbon nanotubes, Bone cements, Polymethylmethacrylate, Polymers -- Thermal properties, Nanostructured materials | ||||||||||||
Journal or Publication Title: | Journal of Materials Science: Materials in Medicine | ||||||||||||
Publisher: | Springer New York LLC | ||||||||||||
ISSN: | 0957-4530 | ||||||||||||
Official Date: | August 2010 | ||||||||||||
Dates: |
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Volume: | 21 | ||||||||||||
Number: | 8 | ||||||||||||
Page Range: | pp. 2287-2292 | ||||||||||||
DOI: | 10.1007/s10856-009-3960-5 | ||||||||||||
Status: | Peer Reviewed | ||||||||||||
Publication Status: | Published | ||||||||||||
Access rights to Published version: | Restricted or Subscription Access | ||||||||||||
RIOXX Funder/Project Grant: |
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