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The Heatsink Discusion
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yuki953
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PostPosted: Thu Apr 09, 2009 10:51 pm    Post subject: The Heatsink Discusion Reply with quote

Ok, so heres the discussion.
Read it all please...
(I will constantly be adding more, and giving background info/backup)


there are 4 main heat-sink materials.

  • Copper
  • Aluminum
  • Copper and Aluminum
  • Diamond? (let me explain.)


They all have there Pros and Cons.

First up: Copper

Measuring at:
380 W/m*K
making this the 3rd best Heat conductor


Pros.
Copper is supposed to be a GREAT heat conductor. In fact , they put it on the bottom of pots and pans, so they can heat up evenly and quickly. They also let go of heat faster then aluminum.

Cons.

Heavy and more expensive then Aluminum.




Next: Aluminum


Measuring at:
220 W/m*K (pure)
120--180 W/m*K (alloys)
This making it the 5th best heat conductor out there.


Pros.
These are known for there light weight, and cheapness? Also being the 4th best heat conductor (right behind copper, silver, and diamond.)


Cons.
They pick up heat slower then Copper.. this may cause higher temps... so not recommended for major over clocking? (read about it in an article over the internet... ill try to find backup.) Letting go of heat slower then Copper (recently corrected, my teacher was rong) may also be an issue



Now: Copper and Aluminum

Pros.
The hybrid.. Good, and light. and sorta shiny =)


Cons.
Not nearly as good as a full (not 100% because nothing can be 100% anything -.-...) Copper




And soon??: Diamond? (let me explain...)

Measuring at:
900 - 2320 W/m*K
Making this the BEST!!!! over topping the 2nd one by almost 2.5 times, at the least. and almost 5 times, at the most.


Explanation.
I thought of this because I was watching Modern Marvels, and it said that Diamonds are GREAT heat conductors... and how it dissipates heat well.

Pros.
Whats better then Diamond in your case? Show off the latest "Bling". Also it is a great heat conductor, and it fans off easy.

Cons.
Expensive much?


[c]-----------------------------------------------

Got any other Materials? Say them and give me some info, or a place to read about them.
[/c]

--------------
Edit: Minor edit.
Edit: Added Heat absorbing scale.

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Last edited by yuki953 on Thu Apr 09, 2009 11:29 pm; edited 2 times in total
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pkyourface
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PostPosted: Thu Apr 09, 2009 11:01 pm    Post subject: Reply with quote

I heard gold was a good at dissipating heat it's even used in the McLaren F1. It's also very surprising at how well diamond is at conducting heat, I never knew that.

Last edited by pkyourface on Thu Apr 09, 2009 11:04 pm; edited 1 time in total
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yuki953
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PostPosted: Thu Apr 09, 2009 11:04 pm    Post subject: Reply with quote

gimmie something to read up on and ill think of adding it
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pkyourface
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PostPosted: Thu Apr 09, 2009 11:05 pm    Post subject: Reply with quote

Here this basically lists them off: http://en.wikipedia.org/wiki/Thermal_conductivity
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yuki953
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PostPosted: Thu Apr 09, 2009 11:12 pm    Post subject: Reply with quote

Quote:
there are 4 main heat-sink materials.


not all of those are MAIN things...

edit:
---------------------
I decided NOT to put gold up...
Reason:
Gold measures at a 318 W/m*K, while copper measures at 380 W/m*K

Gold is also more expensive, and heavy, also for how then it needs to be, it will flop around and be UNSTABLE. While gold is one of the BEST "Electrical" conductors, it does not qualify for the discussion on good heat conductors.

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Last edited by yuki953 on Thu Apr 09, 2009 11:19 pm; edited 1 time in total
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rayz321
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PostPosted: Thu Apr 09, 2009 11:17 pm    Post subject: Re: The Heatsink Discusion Reply with quote

yuki953 wrote:
Ok, so heres the discussion.
Read it all please...
(I will constantly be adding more, and giving background info/backup)


there are 4 main heat-sink materials.

  • Copper
  • Aluminum
  • Copper and Aluminum
  • Diamond? (let me explain.)


They all have there Pros and Cons.

First up: Copper

Pros.
Copper is supposed to be a GREAT heat conductor. In fact , they put it on the bottom of pots and pans, so they can heat up evenly and quickly. They also let go of heat faster then aluminum.

Cons.

Heavy and more expensive then Aluminum.




Next: Aluminum

Pros.
These are known for there light weight, and cheapness? Also being the 4th best heat conductor (right behind copper, silver, and diamond.)


Cons.
They pick up heat slower then Copper.. this may cause higher temps... so not recommended for major over clocking? (read about it in an article over the internet... ill try to find backup.) Letting go of heat slower then Copper (recently corrected, my teacher was rong) may also be an issue



Now: Copper and Aluminum

Pros.
The hybrid.. Good, and light. and sorta shiny =)


Cons.
Not nearly as good as 100% copper




And soon??: Diamond? (let me explain...)

Explanation.
I thought of this because I was watching Modern Marvels, and it said that Diamonds are GREAT heat conductors... and how it dissipates heat well.

Pros.
Whats better then Diamond in your case? Show off the latest "Bling". Also it is a great heat conductor, and it fans off easy.

Cons.
Expensive much?


[c]-----------------------------------------------

Got any other Materials? Say them and give me some info, or a place to read about them.
[/c]

funny fact from the history channel nothing can be 100 percent copper but can be 99.9 percent (i think)

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yuki953
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PostPosted: Thu Apr 09, 2009 11:20 pm    Post subject: Reply with quote

Im sorry i will change that... i wasnt being literal, i know everything, even 27k gold has a little bit of almost everything in it.
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rayz321
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PostPosted: Thu Apr 09, 2009 11:28 pm    Post subject: Reply with quote

ok you edited it good
offtopic did you find a link for my rateing boX?

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yuki953
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PostPosted: Thu Apr 09, 2009 11:30 pm    Post subject: Reply with quote

not yet -.-,

(ontopic)
Anything else, im trying to make a discussion here...

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xV
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PostPosted: Thu Apr 09, 2009 11:58 pm    Post subject: Reply with quote

Since this is talking about heatsinks, I was cleaning the dust off inside my computer and the part where the fan blows into had dust in it, I couldn't take off the fan.. it was confusing and felt as if I was going to break it so I decided to stop.
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Localhost
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PostPosted: Fri Apr 10, 2009 12:04 am    Post subject: Reply with quote

Diamonds are completely unrealistic.

They would probably be under a fan anyways, so showing off any bling would be useless.

The only realistic conductor of heat for a computer is probably copper.

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yuki953
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PostPosted: Fri Apr 10, 2009 12:07 am    Post subject: Reply with quote

use a CO2 computer safe canister sold at bestbuy, or fryz, (illegal to buy offline because of preasure(i think))
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Localhost
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PostPosted: Fri Apr 10, 2009 12:09 am    Post subject: Reply with quote

yuki953 wrote:
use a CO2 computer safe canister sold at bestbuy, or fryz, (illegal to buy offline because of preasure(i think))


This kind of reminds me of liquid nitrogen cooling.

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pkyourface
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PostPosted: Fri Apr 10, 2009 12:18 am    Post subject: Reply with quote

Liquid helium cooling would be amazing considering its 6x colder than liquid nitrogen.
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yuki953
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PostPosted: Fri Apr 10, 2009 12:39 am    Post subject: Reply with quote

lol, the diamond thing was talking about diamond dust into the metal... not literal FULL ON diamond. also thermal paste made of Diamond dust...
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