Originally Posted by
Bad Lag
Also, aluminum oxide is not a bad thermal conductor. Combined with the thinness of the layer and it integral coupling to the underlying aluminum,... Nah! Not a problem. You'd have to show me a thermal analysis or test data to get me to believe otherwise.
[snip]
I'm going to go and look up the coefficients of friction for aluminum and aluminum oxide. That will be interesting.
The thermal conductivity coefficients should be close to those, have a look and think again; values vary, of course, but figures quoted in the papers I scanned are around 30-50 W/mK for the oxide, and 5 to 10 times that for unanodized extrusions.