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Or better yet, thermal fit I have been thinking about using thermal fits lately. Basically, it is as it sounds - stick the outside part in the oven, the inner part in the freezer. Then the inner part will shrink and the outer part will expand. You then rapidly remove them from wherever they were (after a sufficient time) and then put them together. Once they both reach ambient temperature, their fit will be amazing.
Anyway, it is looking like copper is going to be the best option for most heatsinks. It is up there with steel and iron (very close) in specific heat due to its high density, and it has the second best thermal conductivity. Because we both expect the heatsink to dissipate some of its heat to the host but also to sink it, I would think we would want the best of both worlds, i.e. copper.
Anyway, it is looking like copper is going to be the best option for most heatsinks. It is up there with steel and iron (very close) in specific heat due to its high density, and it has the second best thermal conductivity. Because we both expect the heatsink to dissipate some of its heat to the host but also to sink it, I would think we would want the best of both worlds, i.e. copper.