btrueblood: thanks for your tungsten experience- this is very valuable for me.
sailoday28: I presume this equation is meant to aid in determining what temperature the thermal mass piece will see while in contact with the 600C heater? This is info as well, particularly if oxidation at the...
Well, the exterior of this piece will also see the chamber environment which can be anything from air to high vacuum to over pressure. Simply opening the chamber for product insertion will introduce enough moisture (in a lab environment) to wet all surfaces.
What more can you tell me about...
That would be the nice feature related to using such a high conductivity material. Does copper corrode readily at high temps? Is there an appropriate coating for something like this? It also has a weak E-modulus (relative to the pressing operation). I did find that MarketTech is selling...
The ceramic plate (heater) will mostly likely be 6-8mm thick with a cp of 500 J/kgK. Unfortunately we have to then mount the same size piece of silicon carbide to it for use as tooling, so the overall mass becomes somewhat substantial. The planarity is required in order to keep everything nice...
We would like to use a high mass object brought in contact with a heated chuck for the purposes of rapid cooling. The idea is pretty common: use a low mass heated plate for a fast ramp to temperature and then bring that plate into contact with a relatively cool, high mass object in order to...
