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▶ Watch On-Demand | 55 Minutes

An Overview of Surface Roughness Measurements: Choice of Technique and Analysis

Get practical guidance and understand key considerations for choosing between contact vs. non-contact surface roughness measurement methods
Presented by Ashar Abu Zubaida, Ph.D. Jawaharlal Nehru Center for Advanced Scientific Research (April 20, 2020)

       PRESENTATION HIGHLIGHTS:

  • [00:03:44] The importance of surface texture
  • [00:07:59] Techniques to measure surface texture
  • [00:23:11] How to choose the correct surface measurement instrument
  • [00:25:06] Highlighting and comparing Bruker's Dektak and Optical profilers
  • [00:25:06] Roughness norms and standards
  • [00:41:25] Areal roughness and 2D/3D roughness parameters


       LIVE AUDIENCE Q&A:

  • [00:49:41] How do you decide the filter cut-off if you are not aware of the manufacturing process of the surface?
  • [00:51:46] Does leveling the raw data multiple times increase the error?
  • [00:52:32] Can you elaborate more about the Ra roughness parameter?

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