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首页> 外文期刊>Applied Surface Science >Structure And Tribological Performance By Nitrogen And Oxygen Plasma Based Ion Implantation On Ti6A14V Alloy
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Structure And Tribological Performance By Nitrogen And Oxygen Plasma Based Ion Implantation On Ti6A14V Alloy

机译：Ti6A14V合金氮氧离子注入的结构和摩擦学性能。

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摘要

Ti6A14V alloy was implanted with nitrogen-oxygen mixture by using plasma based ion implantation (PBII) at pulsed voltage -10, -30 and -50 kV. The implantation was up to 6 x 1017 ions/cm2 fluence. The changes in chemical composition, structure and hardness of the modified surfaces were studied by XPS and nanoindentation measurements. According to XPS, it was found that the modified layer was predominantly TiO_2, but contained small amounts of TiO, Ti_2O_3, TiN and AI_2O_3 between the outmost layer and metallic substrate. Surface hardness and wear resistance of the samples increased significantly after PBII treatment, the wear rate of the sample implanted N_2-O_2 mixture at -50 kV decreased eight times than the untreated one. The sample implanted N2-O2 mixture showed better wear resistance than that of the sample only implanted oxygen at - 50 kV. The wear mechanism of untreated sample was abrasive-dominated and adhesive, and the wear scar of the sample implanted at -50 kV was characterized by abrasive wear-type ploughing.
机译：通过使用基于等离子体的离子注入（PBII）在脉冲电压-10，-30和-50 kV下向Ti6A14V合金注入氮-氧混合物。注入的通量高达6 x 1017离子/ cm2。通过XPS和纳米压痕测量研究了改性表面化学成分，结构和硬度的变化。根据XPS，发现改性层主要是TiO_2，但是在最外层和金属基材之间包含少量的TiO，Ti_2O_3，TiN和Al_2O_3。 PBII处理后，样品的表面硬度和耐磨性显着提高，在-50 kV电压下注入的N_2-O_2混合物样品的磨损率比未处理的样品降低了八倍。样品注入的N2-O2混合物显示出比-50 kV仅注入氧气的样品更好的耐磨性。未经处理的样品的磨损机理主要是磨料磨损和粘附，而在-50 kV注入的样品的磨损痕迹通过磨料磨损型犁形来表征。

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  • 来源
    《Applied Surface Science》 |2011年第23期|p.9904-9908|共5页
  • 作者

    Xingguo Feng; Mingren Sun; Xinxin Ma; Guangze Tang;

  • 作者单位

    School of Materials Science and Engineering, Harbin Institute of Technology, No. 92, West Da-Zhi Street, Harbin 150001, China;

    School of Materials Science and Engineering, Harbin Institute of Technology, No. 92, West Da-Zhi Street, Harbin 150001, China;

    School of Materials Science and Engineering, Harbin Institute of Technology, No. 92, West Da-Zhi Street, Harbin 150001, China;

    School of Materials Science and Engineering, Harbin Institute of Technology, No. 92, West Da-Zhi Street, Harbin 150001, China;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    PBII; Ti6A14V alloy; Structure; Tribological performance;

    机译：PBII;Ti6A14V合金;结构;摩擦学性能;

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