Abstract
Engineering surfaces are rough. To the finger, there seems to be little difference between a flake of cleared mica or the surface of a ball bearing; but when the bearing is examined by a profilometer — traditionally a hi-fi system but with a chart recorder instead of a loudspeaker: soon perhaps a compact disk player — it looks like Fig. 1. Note immediately what has led to the “Talysurf delusion” named after one of the more popular profilometers: the vertical magnification is typically 100x greater than the horizontal magnification (here 10,000x, 100x) — and the slopes are not really all that steep.
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© 1992 Springer Science+Business Media Dordrecht
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Greenwood, J.A. (1992). Contact of Rough Surfaces. In: Singer, I.L., Pollock, H.M. (eds) Fundamentals of Friction: Macroscopic and Microscopic Processes. NATO ASI Series, vol 220. Springer, Dordrecht. https://doi.org/10.1007/978-94-011-2811-7_3
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DOI: https://doi.org/10.1007/978-94-011-2811-7_3
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