what is the easiest and cheapest way to measure surface roughness (in Pakistan)
Easiest way to measure roughness in Pakistan?
Shouldn't roughness be the same in every country :D
Cheapest way to measure surface roughness is to use traditional profilometer and take the average asperities of the surface at several spots. your average will be called Ra.
Depends on sample size. For nano and micrometer scale (from 20 nm to 150 um) the best is AFM. For scale from 600 um to 20 cm best is light profilometer. I do not know what You have in Pakistan, but if You have any trouble just find scientist wherever, across the earth and send samples :)
Again depend on what you have in Pakistan. From my understanding you need cheap device. Thus I think averaging out with profile meter will be good
You are going to measure the surface roughness of what?
I agree with Janusz Rebis.
You can contact atomic energy centre in Pakistan whether they have AFM or profilometer.
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