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首页> 外文期刊>Journal of Materials Engineering and Performance >Enhanced Tribological, Electrochemical, and Biocompatibility Properties of Ti6Al4V Alloy Through Gas Nitriding and CN Coating Deposition
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Enhanced Tribological, Electrochemical, and Biocompatibility Properties of Ti6Al4V Alloy Through Gas Nitriding and CN Coating Deposition

机译：通过气体氮化和CN涂层沉积增强了Ti6Al4V合金的摩擦学，电化学和生物相容性性能

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摘要

The tribological properties, electrochemical corrosion resistance, and biocompatibility performance of Ti6Al4V alloy were improved through a duplex surface treatment process consisting of high-temperature gas nitriding followed by amorphous carbon nitride (CN) coating deposition. The tribological properties of the specimens were evaluated using a reciprocating sliding wear tester, while the electrochemical properties were examined by potentiodynamic polarization tests. Finally, the biocompatibility of the samples was investigated by means of cytotoxicity tests performed using mouse leukemic monocyte macrophage cells (Raw 264.7). The duplex treatment significantly improved the tribological performance of the Ti6Al4V sample. In particular, compared to an untreated Ti6Al4V sample, the duplex surface treatment (CN-NTs) reduced the wear depth by around 55 times when sliding against a 316L counterbody and 16 times when sliding against a Ti6Al4V counterbody. Of the various specimens, the CN-T sample showed the best corrosion resistance, while the CN-NT sample showed the best biocompatibility performance.
机译：通过由高温气体氮化的双链体处理过程改善了Ti6Al4V合金的摩擦学性质，电化学耐腐蚀性和生物相容性性能。使用往复滑动磨损测试仪评估样品的摩擦学性质，而通过电位偏振测试检查电化学性质。最后，通过使用小鼠白细胞单核细胞巨噬细胞（RAW 264.7）进行的细胞毒性试验研究了样品的生物相容性。双相治疗显着提高了Ti6Al4V样品的摩擦学性能。特别地，与未处理的Ti6Al4V样品相比，双工表面处理（CN-NTS）在滑动316L靶和滑动Ti6Al4V靶阵地时滑动时，将磨损深度减小约55次。在各种标本中，CN-T样品显示出最佳耐腐蚀性，而CN-NT样品显示出最佳的生物相容性性能。

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