Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/100301
Title: Carbon nanotubes/hydroxyapatite nanocomposites fabricated by spark plasma sintering for bonegraft applications
Authors: Cui, Fuzhai
Wang, Wei
Zhu, Yuhe
Watari, Fumio
Liao, Susan
Yokoyama, Atsuro
Omori, Mamoru
Ai, Hongjun
Issue Date: 2012
Source: Wang, W., Zhu, Y., Watari, F., Liao, S., Yokoyama, A., Omori, M., et al. (2012). Carbon nanotubes/hydroxyapatite nanocomposites fabricated by spark plasma sintering for bonegraft applications. Applied Surface Science, 262, 194-199.
Series/Report no.: Applied surface science
Abstract: Multi-wall carbon nanotubes/hydroxyapatite (MWCNTs/HA) composites with 20%, 40% and 60% HA were successfully fabricated at 1200 °C and 120 MPa by spark plasma sintering (SPS). Scanning electron microscope (SEM) observations showed that MWCNTs/HA composites kept the nanostructure of MWCNTs after SPS treatment. The bulk density of the MWCNTs/HA composites was increased by the addition of HA. However, the Vickers hardness, porosity, Young's modulus, flexure strength and compression strength of the MWCNTs/HA composites were decreased with increasing content of HA. To test their biocompatibility, the MWCNTs/40% HA composites were inserted into rat femur. The in vivo reaction of four weeks showed that the composites possessed better osseointegration compared to pure MWCNTs. The results indicated that the MWCNTs/HA composites have potential for a wide variety of bonegraft applications in the future.
URI: https://hdl.handle.net/10356/100301
http://hdl.handle.net/10220/11039
ISSN: 0169-4332
DOI: 10.1016/j.apsusc.2012.04.142
Rights: © 2012 Elsevier B.V.
Fulltext Permission: none
Fulltext Availability: No Fulltext
Appears in Collections:MSE Journal Articles

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