I'm looking for combinations of metal and a type of hermetic layer that could be applied to that metal which can survive a high temperature environment in excess of 1000 Celsius.
The purpose is to simply prevent an oxide layer from forming on the metal surface. This layer won't be acting as a seal between vacuum and atmosphere.
I believe such a layer may need to be matched with respect to thermal expansion - however this material does not function as a seal between vacuum and atmosphere, is there more wiggle room with respect to matching thermal coefficients so as the hermetic layer won't crack and still protect the metal layer from oxidization?
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