We usually measure roughness in microns or nano microns
we use to measure roughness by following parameter
Ra=Average roughness
Rmax= Maximum Roughness
Rrms=Root mean square Roughness
Instrument to be used = Surface Roughness tester/Profilometer
More the Ra more smooth is the surface.
we use to measure roughness by following parameter
Ra=Average roughness
Rmax= Maximum Roughness
Rrms=Root mean square Roughness
Instrument to be used = Surface Roughness tester/Profilometer
More the Ra more smooth is the surface.
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