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平行沟槽织构对TB6钛合金表面润湿性、摩擦学性能和耐腐蚀性的改善
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1.郑州大学;2.北方民族大学

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国家自然科学基金项目(面上项目,重点项目,重大项目),国家重点研发计划,河南省国际科技合作重点项目 ,宁波市“科技创新2025”重大专项, 智慧郑州·1125聚才计划


Parallel groove-textured TB6 titanium alloy surfaces for improved wettability, tribological properties and corrosion resistance
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National Nature Science Foundation of China (62174148), National Key Research and Development Program (2022YFE0112000, 2016YFE0118400), Key Program for International Joint Research of Henan Province (231111520300), Ningbo Major Project of ‘Science, Technology and Innovation 2025’ (2019B10129), and Zhengzhou 1125 Innovation Project (ZZ2018-45)

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    摘要:

    提出了一种在Ti-10V-2Fe-3Al (TB6)钛合金基体上简单快速地制备具有超疏水性、耐磨性和耐腐蚀性的织构表面的方法。使用纳秒激光器对光滑的钛合金表面进行烧蚀,以获得具有平行沟槽图案的织构表面。随后,织构表面被紫外线灯照射并被侵没在3wt%的十八烷基三氯硅烷溶液中2 h进行化学改性。从表面形态和化学组成成分的角度分析了具有不同沟槽间隔的织构表面的润湿性。在干滑动、水润滑和油润滑条件下,制备的超疏水表面的平均摩擦系数与原始亲水表面相比可分别降低34%、56%和59%,并研究了相关摩擦系数的变化机理。动电位极化测试表明,所制备的超疏水表面具有耐腐蚀性,可以为钛合金基体提供有效的保护。

    Abstract:

    We propose an efficient method for fabricating superhydrophobic, wear, and corrosion resistance textured surfaces based on TB6 (Ti-10V-2Fe-3Al) titanium alloy substrates. The smooth surface of the titanium alloy was ablated using a nanosecond laser to create a textured surface with a parallel groove pattern. The textured surface was irradiated by an ultraviolet lamp for 1 hour and subsequently immersed in a 3 wt% octadecyltrichlorosilane solution for 2 hours for chemical modification. The wettability of the textured surfaces with varying groove spacing was investigated by analyzing surface morphology and chemical composition. The average coefficient of friction (CoF) of the superhydrophobic surface was found to be reduced by 34%, 56%, and 59% compared to the original hydrophilic surface under dry, water, and oil lubrication conditions, respectively. The mechanism variation of the CoF was also discussed. Potentiokinetic polarization testing demonstrated that the prepared superhydrophobic surface provided corrosion protection for the titanium alloy substrate.

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郭嘉梁,王芳,刘俊杰,刘玉怀.平行沟槽织构对TB6钛合金表面润湿性、摩擦学性能和耐腐蚀性的改善[J].稀有金属材料与工程,,().[Guo Jialiang, Wang Fang, Liou Juin J, Liu Yuhuai. Parallel groove-textured TB6 titanium alloy surfaces for improved wettability, tribological properties and corrosion resistance[J]. Rare Metal Materials and Engineering,,():].

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  • 收稿日期:2023-05-06
  • 最后修改日期:2023-06-30
  • 录用日期:2023-07-28
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