...
首页> 外文期刊>Physical review >Frictional duality of metallic nanoparticles: Influence of particle morphology, orientation, and air exposure
【24h】

Frictional duality of metallic nanoparticles: Influence of particle morphology, orientation, and air exposure

机译:金属纳米粒子的摩擦对偶性:粒子形态,取向和空气暴露的影响

获取原文
获取原文并翻译 | 示例
           

摘要

The contact area dependence of the interfacial friction experienced during the translation of antimony nanoparticles deposited on a graphite substrate is studied under different conditions using the tip of an atomic force microscope as a manipulation tool. In vacuum a dual behavior of the friction-area curves is found, characterized by the observation that some particles exhibit friction below the detection limit while other similarly sized particles showed constant shear stress values. Detailed investigations prove the reproducibility of this effect, revealing that neither the particle's morphology nor their alignment relative to the substrate lattice influence the findings. In contrast, we observe that a temporary exposure to ambient air can lead to a drastic increase in the particle's friction.
机译:使用原子力显微镜的尖端作为操作工具,在不同条件下研究了沉积在石墨基底上的锑纳米粒子平移过程中遇到的界面摩擦的接触面积依赖性。在真空中,发现了摩擦面积曲线的双重行为,其特征是观察到一些颗粒的摩擦力低于检测极限,而其他尺寸相似的颗粒则表现出恒定的剪切应力值。详细的研究证明了这种效果的可重复性,揭示了粒子的形态或相对于基质晶格的排列都不会影响发现。相反,我们观察到暂时暴露于环境空气中会导致粒子摩擦力急剧增加。

著录项

  • 来源
    《Physical review》 |2010年第3期|P.035401.1-035401.9|共9页
  • 作者单位

    Physikalisches Institut and Center for Nanotechnology (CeNTech), Westfaelische Wilhelms-Universilaet Muenster, D-48149 Muenster, Germany;

    rnPhysikalisches Institut and Center for Nanotechnology (CeNTech), Westfaelische Wilhelms-Universilaet Muenster, D-48149 Muenster, Germany;

    rnPhysikalisches Institut and Center for Nanotechnology (CeNTech), Westfaelische Wilhelms-Universilaet Muenster, D-48149 Muenster, Germany;

    rnPhysikalisches Institut and Center for Nanotechnology (CeNTech), Westfaelische Wilhelms-Universilaet Muenster, D-48149 Muenster, Germany;

    rnPhysikalisches Institut and Center for Nanotechnology (CeNTech), Westfaelische Wilhelms-Universilaet Muenster, D-48149 Muenster, Germany;

    rnUniversity of Applied Sciences (HTW) Berlin, D-12459 Berlin, Germany;

    Department of Mechanical Engineering and Center for Research on Interface Structures and Phenomena (CRISP), Yale University, New Haven, Connecticut 06520-8284, USA;

    rnDepartment of Mechanical Engineering and Center for Research on Interface Structures and Phenomena (CRISP), Yale University, New Haven, Connecticut 06520-8284, USA;

    Physikalisches Institut and Center for Nanotechnology (CeNTech), Westfaelische Wilhelms-Universilaet Muenster, D-48149 Muenster, Germany;

  • 收录信息
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    friction force microscopes; tribology and mechanical contacts; friction, lubrication, and wear;

    机译:摩擦力显微镜摩擦学和机械接触;摩擦;润滑和磨损;

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号