Fabrication and Characterization of HA/CNT Bioceramics


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A new kind of Hydroxyapatite (HA) composites was fabricated using a hot-press method in which carbon nanotubes (CNTs) were introduced to the HA ceramic matrix to improve the mechanical properties of the resulting composites. The CNTs were treated using a mixture of nitric acid and sulfuric acid. A homogeneous dispersion of the CNTs in the HA matrix was achieved through dispersing them in the solution of surfactant. The bioactivity of the samples was tested. The microstructures of HA/CNT ceramic composites and the sample surfaces after immersion in SBF were characterized by SEM. The results showed that the introduction of the CNTs into HA ceramic matrix could produce positive strengthening effect without impairing the biological properties of the HA ceramic.



Materials Science Forum (Volumes 532-533)

Edited by:

Chengyu Jiang, Geng Liu, Dinghua Zhang and Xipeng Xu




Y. H. Meng et al., "Fabrication and Characterization of HA/CNT Bioceramics", Materials Science Forum, Vols. 532-533, pp. 201-204, 2006

Online since:

December 2006




[1] L.L. Hench and J. Wilson: An Introduction to Bioceramics (World Scientific, Singapore 1993).

[2] W. Suchanek and et al: Biomaterials, Vol. 17 (1996), p.1715.

[3] T. Fumitaka, I. Shinji and et al: Biomaterials, Vol. 21 (2000), p.841.

[4] J.W. Thomas, E. Celaletdin, H.D. Robert and W.S. Richard: Biomaterials, Vol. 21 (2000), p.1803.

[5] J.W. Thomas J. Webster, E. Celaletdin, H.D. Robert and et al: Biomaterials, Vol. 22 (2001), p.1327.

[6] S. Iijima: Nature, Vol. 354 (1991), p.56.

[7] L.E. Kathy, L.P. Rache and T.W. Thomas: Biomaterials, Vol. 23 (2002), p.3279.

[8] L.P. Rachel, C.W. Michael, M.H. Karen and J. W. Thomas: Biomaterials, Vol. 24 (2003).