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General Liquid/Water Cooling Discussion For discussion about Full Cooling System kits, or general cooling topics. Keep specific cooling items like pumps, radiators, etc... in their specific forums. |
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06-02-2006, 08:20 PM | #1 |
Cooling Neophyte
Join Date: Jan 2002
Location: RI (no, we are not part of NY)
Posts: 95
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microstructures
i was just wondering why people are not using microstructured base plates for computer watercooling. im talking about acid etched structures, down to a few microns. is it just too expensive? i would think that acid etching would be cheap once established. any comments?
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06-02-2006, 11:22 PM | #2 |
Cooling Savant
Join Date: Jan 2004
Location: Alberta
Posts: 631
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Re: microstructures
What would be the flow rate through an acid etched structure? It sounds either restrictive or expensive.
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06-02-2006, 11:26 PM | #3 |
Responsible for 2%
of all the posts here. Join Date: May 2002
Location: Texas, U.S.A.
Posts: 8,302
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Re: microstructures
Joe from overclockers was experimenting with a "copper foam", and while it needed more work, it looked promising.
I'm not sure that acid etched structures are as promising. |
06-03-2006, 04:57 AM | #4 |
Cooling Savant
Join Date: Aug 2005
Location: uk
Posts: 400
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Re: microstructures
Its a very good idea but they cost to much to make.
If do right it would not be too restrictive. |
06-03-2006, 06:22 PM | #5 |
Cooling Neophyte
Join Date: Jan 2002
Location: RI (no, we are not part of NY)
Posts: 95
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Re: microstructures
if you look at the price of some of the high end blocks these days, maybe the price woud be worth it.
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06-03-2006, 06:24 PM | #6 |
Put up or Shut Up
Join Date: Dec 2001
Location: Spokane WA
Posts: 6,506
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Re: microstructures
Who is going to try it?
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06-03-2006, 10:45 PM | #7 |
Cooling Neophyte
Join Date: Jun 2004
Location: Taiwan
Posts: 55
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Re: microstructures
the reason this is not a popular method is due to the MASSIVE bonding material you have to place on individual copper layers, thus crappy thermal resistance from CPU to liquid.
Unless one would plate every single layer of copper then brazed them into a block....i cant think a way to secure copper layers for any work without distort their shape. (we are talking about less than 1mm thick of high purity copper here...) |
06-04-2006, 02:09 AM | #8 |
Cooling Neophyte
Join Date: Jan 2002
Location: RI (no, we are not part of NY)
Posts: 95
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Re: microstructures
by microstructure i mean surface structuring, not the actual structure of the material.
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06-04-2006, 08:16 AM | #9 | |
Cooling Savant
Join Date: Jun 2005
Location: Skokie, Illinois
Posts: 322
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Re: microstructures
Quote:
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06-04-2006, 10:58 AM | #10 |
Cooling Neophyte
Join Date: Jan 2002
Location: RI (no, we are not part of NY)
Posts: 95
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Re: microstructures
wow, to be honest im having a real hard time finding anything realavent. I heard about it when i was visiting the technical university of braunschweig in germany. they were studying the increase in thermal transfer vs the pressure drop for use in heat exchangers. basically you acid etch the surface of the material into a structured pattern, pyramids, whatever, you think will get the best transfer with minimal pressure drop. the structure is so small it pretty much just feels a bit rough to the touch. in order to see what the texture looks like, a magnifying instrument must be used. sorry i dont have any pics or links.
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06-05-2006, 03:47 AM | #11 |
Cooling Savant
Join Date: May 2004
Location: Portugal
Posts: 179
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Re: microstructures
Well, this user from Cooling-Masters forum (in french) already tried microstructures with acid ecthing, and manage to obtain a WB similar to those manufactured by 1A-Cooling.
Here's his website: http://heryware.free.fr/wb.micro.2/ |
06-05-2006, 04:49 AM | #12 |
Cooling Neophyte
Join Date: Jun 2004
Location: Taiwan
Posts: 55
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Re: microstructures
derraa, are you in RI? If I remember correctly, RIT has the most advance Micro-Channel staff there is today...but its in NY i think :P
http://www.rit.edu/~taleme/ |
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