There’s a story in the news right now about someone crashing into seven parked cars at the Dallas Stars parking lot but the part I’m interested in is how this somehow ripped a cybertruck in half?? Like clean in half??

https://bsky.app/profile/ladyemily.nebula.tv/post/3lljueafogc2z

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[–] Blakey@hexbear.net 4 points 5 days ago (1 children)

The induced stresses are part of what can make forged parts stronger iirc (used to work as a designer with a metallurgist as a colleague but, like, many years ago with an intervening drug addiction, recovery, and uni degree so my memory of the technical details is... Imperfect). But yeah it's a complex topic.

[–] Runcible@hexbear.net 2 points 5 days ago (1 children)

yes, I believe it is the mechanism behind cold working and peening, but I don't think it changes the grain structure. Definitely a complex field that I am only barely familiar with.

[–] Blakey@hexbear.net 3 points 5 days ago

I'm sure it behaves differently in aluminium vs steel, too.