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Imploded Titanic submarine seen for first time as pieces recovered from sea floor
(www.independent.co.uk)
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this post was submitted on 28 Jun 2023
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Not necessarily a smoking gun, since it would have been set up to resist pressure from the exterior but suddenly subjected to high pressure from the interior side.
I'm more intrigued by the image I've seen elsewhere of what looks like the titanium mating surface that the from hemisphere bolted to, which would have been bonded to the carbon fiber cylinder section. The photo didn't show a single shred of carbon fiber still attached to the titanium, which suggests bond failure at the interface between metal and composite components. Whether that was the initial point of failure or just the result of the strains experienced by the fragments of the cylinder as it fractured and imploded peeling everything away, I don't know.