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which metal is better for cooling?
Poll ended at Mon Dec 06, 2004 9:15 pm
Aluminum 8%  8%  [ 1 ]
Copper 92%  92%  [ 11 ]
Total votes : 12
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 Post subject: Which is a better metal
PostPosted: Mon Nov 29, 2004 9:15 pm 
Little Foot
Little Foot

Joined: Tue Nov 23, 2004 9:22 am
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for overclocking cooling purpose, which metal is better for cooling?? Aluminum or Copper??


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PostPosted: Mon Nov 29, 2004 9:26 pm 
Celeron
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Location: New York City
Copper.


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PostPosted: Tue Nov 30, 2004 5:11 pm 
Little Foot
Little Foot

Joined: Wed Nov 03, 2004 5:27 pm
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Obsidian, runs cool as i do!


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PostPosted: Tue Nov 30, 2004 5:15 pm 
Team Member Top 500
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well, copper is better, but if you could combine the 2 into some sort of alloy it would be best. copper can hold more heat than aluminum, but it cant transfer it or release it as fast as aluminum, while aluminum holds less heat but releases and transfers it much faster. if you could have a metal that did both, youd be set.


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PostPosted: Mon Dec 06, 2004 9:10 am 
Thunderbird
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Copper conducts heat better than aluminum. If I remember right, only silver conducts better (high school was a long time ago though).


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PostPosted: Mon Dec 06, 2004 11:34 am 
Max [Ph]otographer
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Yes, silver is king in heat transfer capabilites. I learned that in materials science class (mostly metals and composits).

However, since silver is so expensive, it's best to use silver in a paste in small amounts to transfer heat better between the CPU and HSF. See [url=http://www.newegg.com/app/ViewProductDesc.asp?description=35-100-007&depa=0[/url]

And as an aside, holy shit! What the hell happened to cheap $4 AS5???

Anyway, once the heat is transferred to the HSF, it's best to use a cheaper material to spread the heat over a lager area, thus dissapating the heat, and giving more surface area for cooling. The best common material for this is of course copper. Of course copper is more expensive than aluminum, especially to ship. ;)

Dan O.


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