一种新型形貌磨损在线测量摩擦磨损试验机的设计与研制
Design and construction of a novel tribometer with on-line topography and wear measurement
摘要：
我们提出了一个新的实验平台，链接拓扑结构和材料的变化与油润滑的金属表面的摩擦和磨损行为。这一概念结合了最先进的方法，用于分析微观和纳米尺度的表面形貌，并在线测量磨损。同时，它还可以检测摩擦力和侧向力。两个表面中的一个的形貌信息用3D全息显微镜以15 fps的最大频率原位收集，并且通过原子力显微镜（AFM）以限定的时间间隔提供更高分辨率的图像。磨损测量是通过放射性核素技术（RNT）进行在线。横向力和摩擦力的定量测量使用定制的3D力传感器进行。表面可以用光学透明的油或水润滑。通过模型试验验证了该装置的稳定性和精度。结果表明，完全相同的位置可以重新定位和检查后，每个负载循环。使用放射性标记的铁针在铁板上滑动进行磨损和形貌测量。
英文摘要：
We present a novel experimental platform that links topographical and material changes with the friction and wear behavior of oil-lubricated metal surfaces. This concept combines state-of-the-art methods for the analysis of the surface topography on the micro- and nano-scale with the online measurement of wear. At the same time, it allows for frictional and lateral force detection. Information on the topography of one of the two surfaces is gathered in-situ with a 3D holography microscope at a maximum frequency of 15 fps and higher resolution images are provided at defined time intervals by an atomic force microscope (AFM). The wear measurement is conducted on-line by means of radio nuclide technique (RNT). The quantitative measurement of the lateral and frictional forces is conducted with a custom-built 3D force sensor. The surfaces can be lubricated with an optically transparent oil or water. The stability and precision of the setup have been tested in a model experiment. The results show that the exact same position can be relocated and examined after each load cycle. Wear and topography measurements were performed with a radioactive labeled iron pin sliding against an iron plate.
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