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[-] HootinNHollerin@lemmy.world 52 points 1 week ago

Past the elastic deformation region / yield stress you get plastic deformation, which even when the stress is completely removed there is permanent deformation.

[-] Rubisco@slrpnk.net 16 points 1 week ago

Gotcha. Thanks! Do the points P, E, Y, U, and F stand for something or are the letters arbitrary?

[-] HootinNHollerin@lemmy.world 10 points 1 week ago

E is where it stops being linear, Y is yield, U is ultimate as in max, and f is fracture / failure. Not sure about p.

[-] LeftRedditOnJul1@lemmy.world 21 points 1 week ago

P is the Proportional Limit, where it stops being linear, but remains elastic for a short while longer, meaning any deformation can still be recovered. E is the Elastic Limit, where it changes from elastic to plastic

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this post was submitted on 24 Jun 2024
350 points (98.1% liked)

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