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Originally Posted by Boli
*shrugs* I was just told somewhere along the line that ALU disapates heat better (air or water), and taken it as truth as no-one argued against it.
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The physical formula that describes thermal convection has no units/elements in it that are based upon the properties of the solid, except for the amount of surface area that is exposed to the fluid/gas.
Whomever originated and subsequently propogated the "Al dissipates heat better" arguments knew nothing at all of what they were talking about.
There are legitimate reasons, primarily based around weight restrictions, for why aluminium
may be a better material to use in certain very strictly defined scenarios, but this has absolutely nothing at all to do with aluminium giving up heat better than copper.