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Diamond Thermal Conductivity: A New Era in Chip Cooling

(spectrum.ieee.org)
200 points rbanffy | 9 comments | 21 Oct 25 11:16 UTC | HN request time: 1.223s | source | bottom
1. greesil ◴[21 Oct 25 14:46 UTC] No.45656496[source]▶
Fun fact, diamond has 4x the thermal conductivity of copper.
replies(4): >>45657014 #>>45659897 #>>45663009 #>>45663025 #
2. ◴[21 Oct 25 15:28 UTC] No.45657014[source]▶
3. droopyEyelids ◴[21 Oct 25 18:45 UTC] No.45659897[source]▶
May our children live to use high-end diamond cookware
replies(1): >>45661664 #
4. codethief ◴[21 Oct 25 21:01 UTC] No.45661664[source]▶
I had to look up at what temperature diamonds start to oxidize/burn[0]: Different sources say different things but apparently it's somewhere between 700°C and 900°C (depending on the exact conditions I suppose).

I suppose that's enough for cookware?

[0]: https://m.youtube.com/watch?v=TPyuDY3iq1Q

replies(2): >>45662233 #>>45664395 #
5. wbl ◴[21 Oct 25 21:56 UTC] No.45662233{3}[source]▶
Gas flames are easily hotter and exposure to flame can start burning below the autoignition temperature.
replies(1): >>45662651 #
6. aidenn0 ◴[21 Oct 25 22:40 UTC] No.45662651{4}[source]▶
Maybe it could be used as an inner-layer in multi-layer cookware (like some pans use aluminum today)?
7. xxs ◴[21 Oct 25 23:17 UTC] No.45663009[source]▶
Even according to the article: "2,200 to 2,400 watts per meter per kelvin - roughly six times as conductive as copper.". It's way higher than copper in fact. Copper is ~400 W/(m·K)
8. ◴[21 Oct 25 23:19 UTC] No.45663025[source]▶
9. marcosdumay ◴[22 Oct 25 02:48 UTC] No.45664395{3}[source]▶
Your lower and is around the melting point of aluminum, that is in wide use in cookware.