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Ceramic heatsinks or ceramic waterblocks for PC cooling?

post #1 of 4
Thread Starter 
I know they use ceramic heatsinks in the electronics world and they have some advantages over metallic heatsinks (no corrosion, non-electrically conductive, light weight):

http://www.electronicspecifier.com/cabinets-and-enclosures/new-higher-power-ceramic-heat-sinks-with-fins-from-amec-thermasol

Why not a GPU/CPU waterblock made of ceramic? Or a CPU/GPU heatsink?

Is the thermal conductivity (W/m*K?) much lower for ceramics than it is for metallic heatsinks?

Would there be anyway to combine ceramic heatsink fins w/heatpipes?
post #2 of 4
Quote:
Originally Posted by 8051 View Post

Is the thermal conductivity (W/m*K?) much lower for ceramics than it is for metallic heatsinks?

The article is silent on that.

Would there be anyway to combine ceramic heatsink fins w/heatpipes?

Sure, epoxy or some other high performance glue.

With most people using the "one rad face per component plus one" calculation(?), not much marketing valve. Plus, watercooling for computers is a very small market segment anyway.

But interesting.........
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post #3 of 4
Ceramic is less than half the w/mk of copper, and much more fragile. Only real benefit would be corrosion resistance and non-conductive...neither are a big enough issue to warrant its lower performance thumb.gif.
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Behemoth
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post #4 of 4
Thread Starter 
Quote:
Originally Posted by Puck View Post

Ceramic is less than half the w/mk of copper, and much more fragile. Only real benefit would be corrosion resistance and non-conductive...neither are a big enough issue to warrant its lower performance thumb.gif.

I saw a video where a ceramic heatsink manufacturer repeatedly dropped one of their ceramic heatsinks from shoulder height, no cracks or chips occurred.

If the thermal conductivity is that bad I can see why they haven't caught on.
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