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Old 03-05-2013, 05:47 PM   #3 (permalink)
DocsMachine
Mad Science of Paintball
 
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Join Date: Jul 2011

Quote:
Originally Posted by idkfa View Post
I am curious how much the coefficient of friction between lubed buna rubber and annodized aluminum compares with steel or brass.
-Generally speaking, anodized aluminum is harder than either brass or stainless. The anodized layer, while very thin, is aluminum oxide, essentially the same material they make the grit in sandpaper or grinding wheels out of.

And very generally speaking (there are of course exceptions) the harder the surface, the lower the coefficient of friction.

Doc.
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