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首页> 外文期刊>Applied Surface Science >Nano/micro tribological behaviors of a self-assembled graphene oxide nanolayer on Ti/titanium alloy substrates
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Nano/micro tribological behaviors of a self-assembled graphene oxide nanolayer on Ti/titanium alloy substrates

机译：Ti /钛合金基底上自组装氧化石墨烯纳米层的纳米/微观摩擦学行为

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摘要

In this study, reduced graphene oxide (RGO) layer is prepared on a self-assembled monolayer (SAM) of 3-aminopropyltriethoxysilane (APTES) modified surface of deposited Ti substrates or Ti-29Nb-13Ta-4.6Zr (TNTZ) alloy substrate. The surface morphology was measured by SEM and AFM. Tribological behaviors in nano scale by AFM and in micro scale by UMT-2 were investigated and compared with titanium substrate, APTES SAM and GO-APTES nanolayer. XPS, water contact angle (WCA) and ellipsometry tests were carried out as assistant methods to discuss the tribological mechanisms. In both nano and micro scale tribological tests, the prepared film holds remarkable tribological properties. It also shows good anti-wear performance in our designed bio-tribological test. Nano and micro tribological mechanisms of the film are discussed.
机译：在这项研究中，在沉积的Ti基板或Ti-29Nb-13Ta-4.6Zr（TNTZ）合金基板的3-氨基丙基三乙氧基硅烷（APTES）改性表面的自组装单层（SAM）上制备还原的氧化石墨烯（RGO）层。通过SEM和AFM测量表面形态。研究了原子力显微镜（AFM）在纳米尺度上的摩擦行为，以及UMT-2在微观尺度上的摩擦学行为，并与钛基底，APTES SAM和GO-APTES纳米层进行了比较。 XPS，水接触角（WCA）和椭偏试验作为辅助方法来讨论摩擦机理。在纳米和微米级摩擦学测试中，制备的膜都具有出色的摩擦学性能。在我们设计的生物摩擦学测试中，它还显示出良好的抗磨性能。讨论了薄膜的纳米和微生物摩擦机理。

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  • 来源
    《Applied Surface Science》 |2013年第ptab期|937-944|共8页
  • 作者

    Peng Fei Li; Hua Zhou; Xian-Hua Cheng;

  • 作者单位

    School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200240, PR China;

    College of Information, Mechanical and Electronic Engineering, Shanghai Normal University, Shanghai 201418, PR China;

    School of Mechanical Engineering, Shanghai Jiao Tong University, Shanghai 200240, 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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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Self-assembled monolayer; Graphene oxide; Reduced graphene oxide; Titanium; Nano/micro tribology;

    机译：自组装单层;氧化石墨烯;氧化石墨烯还原;钛;纳米/微摩擦学;

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