Abstract
The nitrided layer on Ti6Al4V substrate was prepared by the plasma nitriding technique. The sample was characterized by X-ray diffraction (XRD), glow discharge optical emission spectroscopy (GDOES), X-ray photoelectron spectroscopy (XPS), and rough-meter. X-ray diffraction analysis reveals that TiN, Ti2N and Ti phase exist in the nitrided layer subsurface. GDOES analysis shows the thickness of the nitrided layer is about 3 μm. XPS analysis shows that there is higher N, lower Al and lower V in the nitrided layer surface than in the Ti6Al4V surface. Rough-meter analysis results show the roughness of the nitrided layer is greater than that of Ti6Al4V alloy base. The bacteria adherence property of the nitrided layer on Ti6Al4V substrate on the Streptococcus mutans was investigated and compared with that of Ti6Al4V alloy by fluorescence microscope. It shows that the nitrided layer inhibits the bacteria adherence.
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Funded by the National Natural Science Foundation of China (No.51171125), the National High-Tech Research and Development Program of China (863 Program) (No.2007AAO3Z521), the Natural Science Foundation of of Shanxi Province (No.2012011021-4, 2012021021-8), the Shanxi Province Foundation for Returned Overseas Scholars (No 2011-038), the Shanxi Province Programs for Science and Technology Development (20110321051) and the Taiyuan University of Technology Graduate Innovation Fund
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Fan, A., Zhang, H., Ma, Y. et al. Bacteria adherence properties of nitrided layer on Ti6Al4V by the plasma nitriding technique. J. Wuhan Univ. Technol.-Mat. Sci. Edit. 28, 1223–1226 (2013). https://doi.org/10.1007/s11595-013-0849-4
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DOI: https://doi.org/10.1007/s11595-013-0849-4