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Engineering, 03.12.2019 18:31 jetskiinbunny31

Aplastic part with a length of 100 mm and 10 mm is made of acetal. if it is subjected to a stress of 15 mpa for 3000 hr, what would be the length and diameter of the part at this time?

assume the yield strength and poisson’s ratio are 60 mpa and 0.43 respectively.

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