On Tue, 1 Dec 2020 22:29:48 -0500, Kurt Feltenberger <xxxxxx@thepaw.org>
wrote to Freelance Traveller:

>I was wondering if there is any sort of materials or coatings that would
>allow a permanent presence within a corrosive atmosphere?  I'm working
>on something where two planets orbit a common barycenter while orbiting
>the star; one is Earth-like while the other is somewhat like Venus.  The
>protagonists have established a combination secret lab/listening
>post/base on the planet with the corrosive atmosphere and I was
>wondering if there was anything in "real world" science that would allow
>this or whether I'd have to exercise a bit of plot science.

Go ahead and exercise your plot science, but it's not exactly a stretch to
do so; depending on what the composition of the corrosive atmosphere is
(specifically, what are the reactive components), you might be able to get
away with a nonreactive nonmetallic coating like Teflon[tm] (polymerized
tetrafluoroethylene), or coating/armoring your installation with a metal
that forms an inert substance that binds to the underlayer when it reacts
with the corrosive element in the atmosphere (as zinc, copper, or aluminum
do with oxygen [in contrast with iron, whose oxide does _not_ bind to the
underlayer, but flakes off instead]).

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