| abstract |
A structure, material, or apparatus comprising metal surface susceptible to formation of oxide, nitride, or halide of said metal thereon, the metal surface configured to be contacted in use or operation of said structure, material, or apparatus with gas, solid, or liquid that is reactive with said metal oxide, nitride, or halide to form a reaction product that is deleterious to said structure, material, or apparatus and its use or operation, wherein the metal surface is coated with a protective coating preventing reaction of the coated surface with the reactive gas. |