Physics, 12.12.2020 16:30 Pfaith8617
Calculate the final volume (in cm3) of a 40 cm long cylindirical copper rod with a cross-sectional area of
1.2 cm2 when it is
a) stretched with a load of 4.0×105 Newtons,
(ν= 0.32, E= 70 GPa, σy = 300 GPa, σTS= 650 GPa, rCu = 120 pm)
b) Compare the absolute volume change during this process.
c) Assume that the stress is applied along [100] direction. Compute the unit cell parameters (a, b,
and c) during the application of the stress.
2) A cylindirical rod of a length of 22.4 cm and a radius of 1.2 cm is deformed plastically when it is pressed
with load of 4.758×108 Newtons. Calculate the final volume of the specimen after the load is released.
(ν= 0.32, E= 70 GPa, σy = 300 GPa, σTS= 650 GPa.)
Answers: 1
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Calculate the final volume (in cm3) of a 40 cm long cylindirical copper rod with a cross-sectional a...
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