this post was submitted on 05 Jul 2024
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If the tank were made of a carbon fiber composite it would make it a little less scary. CF's high strength and brittle failure mode mean that the tank would "open up" on a seam when ruptured, but would stay mostly intact. Additionally CF's low density would mean that any small pieces of shrapnel that were created would have limited penetrating power and range.
Still I'm not sure I would want to stand next to it. At 10,000 PSI a small hole (or opened valve) in such a tank would produce a gas stream with enough energy to seriously injure or kill you (leaks in 4000 PSI steam lines can cut your flesh and create gas pockets inside you). The entire tank letting go all at once would surely create a shockwave that would obliterate you.