surface roughness
Sign in to saveAlso known as roughness, texture
component of surface finish (surface texture)
~12 min read
Encyclopedic overview
The basic GD&T symbol for surface roughness
Surface roughness or simply roughness is the quality of a surface of not being smooth and it is hence linked to human (haptic) perception of the surface texture. From a mathematical perspective it is related to the spatial variability structure of surfaces, and inherently it is a multiscale property. It has different interpretations and definitions depending on the disciplines considered.
Excerpted from Wikipedia’s “surface roughness” article, available under the CC BY-SA 4.0 licence.