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Volume 16 Issue 3
Jun.  2009
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Juan Xiong, Bo-fan Xu,  and Hong-wei Ni, Antibacterial and corrosive properties of copper implanted austenitic stainless steel, Int. J. Miner. Metall. Mater., 16(2009), No. 3, pp. 293-298. https://doi.org/10.1016/S1674-4799(09)60052-2
Cite this article as:
Juan Xiong, Bo-fan Xu,  and Hong-wei Ni, Antibacterial and corrosive properties of copper implanted austenitic stainless steel, Int. J. Miner. Metall. Mater., 16(2009), No. 3, pp. 293-298. https://doi.org/10.1016/S1674-4799(09)60052-2
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Materials

Antibacterial and corrosive properties of copper implanted austenitic stainless steel

  • 通讯作者:

    Juan Xiong    E-mail: xiongjuana@163.com

  • Copper ions were implanted into austenitic stainless steel (SS) by metal vapor vacuum arc with a energy of 100 keV and an ions dose range of (0.5-8.0)×1017 cm-2. The Cu-implanted SS was annealed in an Ar atmosphere furnace. Glancing X-ray diffraction (GXRD), transmission electron microscopy (TEM) and Auger electron spectroscopy (AES) were used to reveal the phase compositions, microstructures, and concentration profiles of copper ions in the implanted layer. The results show that the antibacterial property of Cu-implanted SS is attributed to Cu9.9Fe0.1, which precipitated as needles. The depth of copper in Cu-implanted SS with annealing treatment is greater than that in Cu-implanted SS without annealing treatment, which improves the antibacterial property against S. aureus. The salt wetting-drying combined cyclic test was used to evaluate the corrosion-resistance of antibacterial SS, and the results reveal that the antibacterial SS has a level of corrosion-resistance equivalent to that of un-implanted SS.
  • Materials

    Antibacterial and corrosive properties of copper implanted austenitic stainless steel

    + Author Affiliations
    • Copper ions were implanted into austenitic stainless steel (SS) by metal vapor vacuum arc with a energy of 100 keV and an ions dose range of (0.5-8.0)×1017 cm-2. The Cu-implanted SS was annealed in an Ar atmosphere furnace. Glancing X-ray diffraction (GXRD), transmission electron microscopy (TEM) and Auger electron spectroscopy (AES) were used to reveal the phase compositions, microstructures, and concentration profiles of copper ions in the implanted layer. The results show that the antibacterial property of Cu-implanted SS is attributed to Cu9.9Fe0.1, which precipitated as needles. The depth of copper in Cu-implanted SS with annealing treatment is greater than that in Cu-implanted SS without annealing treatment, which improves the antibacterial property against S. aureus. The salt wetting-drying combined cyclic test was used to evaluate the corrosion-resistance of antibacterial SS, and the results reveal that the antibacterial SS has a level of corrosion-resistance equivalent to that of un-implanted SS.
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