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The low specific heat of solder...

post #1 of 7
Thread Starter 
I saw how the peltier effect works and I found out that the specific heat of pb/sn solder is extremely low. I was wondering whether this has ever been used for this quality in heatsinks. If not, there should be a way to implement it, like coating a higher-specific-heat heatpipe modified for high surface area (essentially a one-metal heatsink coated in it) and then just use it as you would a normal cooler.

disclaimer- I am completely unaware of whether there is some obvious factor about the peltier effect that makes what I said sound retarded to someone who knows more about it.
Edited by un-midas touch - 9/1/12 at 11:59pm
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post #2 of 7
The issue isn't so much specific heat, but thermal conductivity.
Cu or Al conducts heat much better than solder.
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post #3 of 7
Gold plating would be nice but kind of expensive. biggrin.gif
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post #4 of 7
Quote:
Originally Posted by gdesmo View Post

Gold plating would be nice but kind of expensive. biggrin.gif

Graphene friend, graphene is where it's at.
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post #5 of 7
Quote:
Originally Posted by Rognin View Post

Graphene friend, graphene is where it's at.
You`re a mean guy Rognin, I`m now looking into a copper foil - graphene composite to use as TIM between de-lidded chip and block. 2 inch by 2 inch piece is about 250 bucks plus shipping and customs, Ouch ! poke.gifbiggrin.gif
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post #6 of 7
Buy it. Buy it naow! biggrin.gif
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post #7 of 7
Have to look into it a little more carefully, sheets are several nanometers thick and must be handled carefully. I will have to borrow a microscope and diatom cutting scalpels to do the cutting. May do it by the end of this month if I get my courage and health back up to snuff, been in the hospital forty - odd times since June. That`s reason for lack of progress on my build but I`m fine now. thumb.gif ps I hope you have had a chance to get in a ride or two. thumb.gif
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