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Forums
Engineering
Mechanical Engineering
Theories of failure and tensile testing
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[QUOTE="Nik_2213, post: 6046758, member: 252015"] There was recent work on why bent spaghetti shatters rather than 'just' snaps. [URL]https://phys.org/news/2018-08-mathematicians-age-old-spaghetti-mystery.html[/URL] IIRC, they found that applying torsion to um, pre-stress it made it snap clean when bent... Per OP's query, I think the answer lies in the study of 'fatigue', where unfortunate shape concentrates flexure damage to initiate failure. Once that begins, a simpler model may approximate... [/QUOTE]
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Theories of failure and tensile testing
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