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Antibacterial 316L Stainless Steel Containing Silver and Niobium
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Antibacterial 316L Stainless Steel Containing Silver and Niobium
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the National Natural Science Foundation of China and Guangdong Province (U1034002)

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    摘要:

    采用銀和鈮對(duì)316L不銹鋼進(jìn)行改性，分別采用覆膜抗菌試驗(yàn)、電化學(xué)試驗(yàn)、顯微分析等方法，研究了銀、鈮對(duì)316L的顯微組織、抗菌性能、耐蝕性能等的影響。結(jié)果表明，鈮可以有效細(xì)化晶粒，改善銀在基體中的分布狀況。316L含適量銀時(shí)具有良好的抗菌性能和耐微生物腐蝕性能，但是過量的銀易發(fā)生偏聚，降低材料的耐蝕性。當(dāng)銀含量為0.04%~0.06%，鈮含量約0.1%（質(zhì)量分?jǐn)?shù)）時(shí)，改性316不銹鋼可獲得顯微組織、耐蝕性能和抗菌性能的優(yōu)化匹配。

    Abstract:

    Ag and Nb were chosen as modifying elements, and their effects on the microstructure, antibacterial property and corrosion resistance of 316L were studied by antibacterial experiment, electrochemical experiment and microscopic analysis. The results show that niobium can refine the grains of 316L effectively and improve the distribution of silver in the matrix. The 316L stainless steel containing an appropriate amount of silver has an excellent antibacterial efficacy to S. aureus and its microbiological corrosion resistance is improved while an excessive silver is prone to form segregation and degrade the corrosion resistance. When 316L the stainless steel contains about 0.04wt%~0.06 wt% Ag and 0.1 wt% Nb, an optimized matching among microstructure, corrosion resistance and antibacterial properties can be obtained.

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袁軍平,李 衛(wèi). Antibacterial 316L Stainless Steel Containing Silver and Niobium[J].稀有金屬材料與工程,2013,42(10):2004~2008.[Yuan Junping, Li Wei. Antibacterial 316L Stainless Steel Containing Silver and Niobium[J]. Rare Metal Materials and Engineering,2013,42(10):2004~2008.]
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  • 收稿日期:2012-09-02
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