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Powdercoating Heatsinks? --Yes/No? - Page 2

post #11 of 12
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Well, if you guys remember the discussion regarding the Powdercoating on the TRUEBlack, the consensus was that "Powdercoating is much much thinner than "Paint" -on the order of Microns thick- so it would be much less influential on the temperature performance!"

Anodizing is also something that I thought of, but, is much more costly! and also, I'm not entirely sure how well it would come out: As generally NB/SB heat sinks are generally mixed metals (those containing both Al and Cu parts- not an Amalgam ) So each component would require a slightly different colorimetric voltage/current for proper and even "plating". (If memory serves me correctly from Analyt. Lab.)

Just an Idea!
It would be really cool to have an all black NB/SB/Mosfet HS on an all Black Board.
Of course, as I may be going H2O and ripping the whole bit off- It may be a moot point
Just thought I'd toss the question out there- Maybe inspire somebody else to be the guinea-pig!
Cheers for all the comments!
Still waiting on teh Druid's 80Cents!
Royally MIIFed
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Royally MIIFed
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post #12 of 12
Your trying to transfer the heat to the air and as you all know anytime that you add a extra layer of material that that energy has to travel thru your reducing its thermal conductivity.

Powder coatign will destroy temps on a air cooler. Painting will reduce allthough would be slightly better then powder coating. With a thin layer of paint it will still work as is evident from rads for water cooling however those work far better then our aircooling heatsincs so can handle a slight decrease in thermal conductivity due to painting. ALso if you look the paint over the fins is very thin and just there for looks not as a protective paint layer.
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xeon
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