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首页> 外文期刊>Applied Surface Science >Preparation and tribological properties of self-lubricating TiO_2/graphite composite coating on Ti6A14V alloy
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Preparation and tribological properties of self-lubricating TiO_2/graphite composite coating on Ti6A14V alloy

机译：Ti6A14V合金上自润滑TiO_2 /石墨复合涂层的制备及摩擦学性能

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摘要

One-step plasma electrolytic oxidation (PEO) process in a graphite-dispersed phosphate electrolyte was used to prepare a graphite-containing oxide composite coating on Ti6A14V alloy. The composition and microstructure of the oxide coatings produced in the phosphate electrolytes with and without addition of graphite were analyzed by X-ray diffractometer (XRD), Raman spectroscopy, X-ray photo-electron spectroscopy (XPS) and scanning electron microscopy (SEM). The tribological properties of the uncoated Ti6A14V alloy and oxide coatings were evaluated using a reciprocating ball-on-disk tribometer. Results showed that the graphite-containing oxide composite coating can be successfully produced on Ti6A14V alloy in the graphite-dispersed phosphate electrolyte using PEO process. The graphite-containing oxide composite coating registered much lower friction coefficient and wear rate than the uncoated Ti6A14V alloy and the oxide coating without graphite under dry sliding condition, exhibiting excellent self-lubricating property.
机译：在石墨分散的磷酸盐电解质中的一步等离子体电解氧化（PEO）工艺用于在Ti6A14V合金上制备含石墨的氧化物复合涂层。通过X射线衍射仪（XRD），拉曼光谱，X射线光电子能谱（XPS）和扫描电子显微镜（SEM）分析了添加和不添加石墨的磷酸盐电解质中产生的氧化物涂层的组成和微观结构。 。使用往复式圆盘摩擦计对未涂层的Ti6A14V合金和氧化物涂层的摩擦学性能进行了评估。结果表明，采用PEO工艺可以在分散有石墨的磷酸盐电解质中的Ti6A14V合金上成功制备含石墨的氧化物复合涂层。含石墨的氧化物复合涂层的摩擦系数和磨损率比未涂覆的Ti6A14V合金和在干滑动条件下不含石墨的氧化物涂层低得多，表现出优异的自润滑性能。

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  • 来源
    《Applied Surface Science》 |2012年第22期|p.8570-8576|共7页
  • 作者

    Ming Mu; Xinjian Zhou; Qian Xiao; Jun Liang; Xiaodi Huo;

  • 作者单位

    The Ministry of Education Key Laboratory, Conveyance Tools and Equipment, East China Jiaotong University, Nanchang 330013, PR China,State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, PR China;

    The Ministry of Education Key Laboratory, Conveyance Tools and Equipment, East China Jiaotong University, Nanchang 330013, PR China;

    The Ministry of Education Key Laboratory, Conveyance Tools and Equipment, East China Jiaotong University, Nanchang 330013, PR China;

    State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, PR China;

    State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, PR China;

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  • 正文语种 eng
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  • 关键词

    plasma electrolytic oxidation; Ti6A14V; oxide coating; graphite; friction and wear;

    机译：等离子体电解氧化Ti6A14V;氧化物涂层石墨;摩擦磨损;

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