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Fabrication and characterization of the Ti-Ca-P composites by vacuum sintering

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DOI: 10.4236/jbise.2011.49074    3,879 Downloads   7,096 Views   Citations

ABSTRACT

Using Ti and biphasic calcium phosphate (BCP) pow-ders, Ti-Ca-P composites which contained 0 - 30 vol.% BCP powders initially, were fabricated by vac-uum sintering at two different sintering temperatures, 1300°C and 1400°C. Detailed microstructural char-acteristics of the resulting composites were investi-gated. Mechanical properties like compressive strength, Vickers hardness were evaluated and they showed decreasing trend with the increasing initial BCP content. The x-ray diffraction (XRD) profiles revealed that extensive chemical reaction occurred and the initial BCP was degraded and formed CaO, TiO2, TiP, CaTiO3. However, the cell viability by MTT assay and cell proliferation behavior through one cell morphology analysis showed excellent in-creasing trend in biocompatibility which makes this materials suitable for hard tissue aid material.And the composite containing 30 vol.% BCP content with Ti sintered at 1400°C showed excellent biocompati-bility with the Vickers Hardness value 108.8 HV and the compressive strength value 303.7 MPa.

Conflicts of Interest

The authors declare no conflicts of interest.

Cite this paper

Mondal, D. , Sarkar, S. , Lee, D. , Lee, Y. and Lee, B. (2011) Fabrication and characterization of the Ti-Ca-P composites by vacuum sintering. Journal of Biomedical Science and Engineering, 4, 583-590. doi: 10.4236/jbise.2011.49074.

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